diff --git a/README.md b/README.md
index 88c1831..02349ab 100644
--- a/README.md
+++ b/README.md
@@ -75,4 +75,8 @@ This analyzer analyzes the 50 state webpages and creates dictionaries and a know
 
 ## Tutorial 14: Mod Files
 
-Mod files allow for bundling text, NLP++ code (passes), dictionaries, and knowledge base files into one file that can be easily created and loaded into VisualText (the NLP++ langauge extension for VSCode).: [YouTube Video Tutorial 14](https://youtu.be/dRpGY0SPLSo)
\ No newline at end of file
+Mod files allow for bundling text, NLP++ code (passes), dictionaries, and knowledge base files into one file that can be easily created and loaded into VisualText (the NLP++ langauge extension for VSCode).: [YouTube Video Tutorial 14](https://youtu.be/dRpGY0SPLSo)
+
+# Tutorial 15: Resolving Ambiguity
+
+This tutorial you will learn about the new mechanisms to help resolve with ambiguity. Ambiguity is when a word in isolation can have more than one meaning. Dealing with ambiguity in NLP++ is a cordinated effort between dictionaries, knowledge bases, and rule matching. [YouTube Video Tutorial 14](https://youtu.be/XLEj1hsS4ME)
\ No newline at end of file
diff --git a/tutorial-15/README.md b/tutorial-15/README.md
new file mode 100644
index 0000000..01bf211
--- /dev/null
+++ b/tutorial-15/README.md
@@ -0,0 +1,5 @@
+# Tutorial 15: Resolving Ambiguity
+
+This tutorial you will learn about the new mechanisms to help resolve with ambiguity. Ambiguity is when a word in isolation can have more than one meaning. Dealing with ambiguity in NLP++ is a cordinated effort between dictionaries, knowledge bases, and rule matching.
+
+Click here to see the [Tutorial Video on YouTube](https://youtu.be/XLEj1hsS4ME).
\ No newline at end of file
diff --git a/tutorial-15/input/text.txt b/tutorial-15/input/text.txt
new file mode 100644
index 0000000..795fc2b
--- /dev/null
+++ b/tutorial-15/input/text.txt
@@ -0,0 +1,2 @@
+Did you google his friend?
+He works at google.
\ No newline at end of file
diff --git a/tutorial-15/kb/user/ambigs.dict b/tutorial-15/kb/user/ambigs.dict
new file mode 100644
index 0000000..d117d97
--- /dev/null
+++ b/tutorial-15/kb/user/ambigs.dict
@@ -0,0 +1,6 @@
+google pos=verb
+google pos=noun
+google pos=adj
+
+at pos=prep
+his pos=pro
\ No newline at end of file
diff --git a/tutorial-15/kb/user/ambigs.kbb b/tutorial-15/kb/user/ambigs.kbb
new file mode 100644
index 0000000..25dcfd1
--- /dev/null
+++ b/tutorial-15/kb/user/ambigs.kbb
@@ -0,0 +1,4 @@
+dictionary
+  google
+    m01: pos=verb, syn=search
+    m02: pos=noun, entity=company
\ No newline at end of file
diff --git a/tutorial-15/kb/user/attr.kb b/tutorial-15/kb/user/attr.kb
new file mode 100644
index 0000000..9ef2096
--- /dev/null
+++ b/tutorial-15/kb/user/attr.kb
@@ -0,0 +1,254 @@
+ind attr
+"concept"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"cg_CONCEPT"
+end ind
+
+
+ind attr
+"concept" "gram"
+0
+"concept" "sys" "dict" "a" "x" "xu" "xwhite"
+pst
+"true"
+end ind
+
+
+ind attr
+"concept" "gram"
+0
+"concept" "sys" "dict" "a" "c" "co" "constrain"
+pst
+"true"
+end ind
+
+
+ind attr
+"concept" "gram"
+0
+"concept" "sys" "dict" "a" "c" "cl" "closed"
+pst
+"false"
+end ind
+
+
+ind attr
+"concept" "gram"
+0
+"concept" "sys" "dict" "a" "l" "li" "lit"
+pst
+"false"
+end ind
+
+
+ind attr
+"concept" "gram"
+0
+"concept" "sys" "dict" "a" "s" "sp" "split"
+pst
+"false"
+end ind
+
+
+ind attr
+"concept" "gram"
+0
+"concept" "sys" "dict" "a" "g" "ge" "gen"
+pst
+"false"
+end ind
+
+
+ind attr
+"concept" "gram"
+0
+"concept" "sys" "dict" "a" "l" "lo" "locked"
+pst
+"false"
+end ind
+
+
+ind attr
+"concept" "gram"
+0
+"concept" "sys" "dict" "a" "d" "di" "dirty"
+pst
+"true"
+end ind
+
+
+ind attr
+"concept" "gram"
+0
+"concept" "sys" "dict" "a" "q" "qu" "quicksem"
+pst
+"false"
+end ind
+
+
+ind attr
+"concept" "sys"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"con_SYS"
+end ind
+
+
+ind attr
+"concept" "sys" "attrs"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"sys_ATTRS"
+end ind
+
+
+ind attr
+"concept" "sys" "attrs" "proxy"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"attrs_PROXY"
+end ind
+
+
+ind attr
+"concept" "sys" "attrs" "proxy" "atom"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"cg_ATOM"
+end ind
+
+
+ind attr
+"concept" "sys" "attrs" "pproxy"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"attrs_PPROXY"
+end ind
+
+
+ind attr
+"concept" "sys" "attrs" "pproxy" "phrase"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"cg_PHRASE"
+end ind
+
+
+ind attr
+"concept" "sys" "attrs" "common"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"attrs_COMMON"
+end ind
+
+
+ind attr
+"concept" "sys" "attrs" "common" "var"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"cg_VAR"
+end ind
+
+
+ind attr
+"concept" "sys" "nlp"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"sys_NLP"
+end ind
+
+
+ind attr
+"concept" "sys" "nlp" "lex" "slot" "cases"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"id_CASES"
+end ind
+
+
+ind attr
+"concept" "sys" "mean" "slot" "case"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"id_mslot_CASE"
+end ind
+
+
+ind attr
+"concept" "sys" "mean" "slot" "case" "cap"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"id_CAP"
+end ind
+
+
+ind attr
+"concept" "sys" "mean" "slot" "case" "allcap"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"id_ALLCAP"
+end ind
+
+
+ind attr
+"concept" "sys" "mean" "slot" "case" "mixed"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"id_MIXED"
+end ind
+
+
+ind attr
+"concept" "sys" "mean" "slot" "mixed"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"id_mslot_MIXED"
+end ind
+
+
+ind attr
+"concept" "sys" "dict"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"sys_DICT"
+end ind
+
+
+ind attr
+"concept" "sys" "dict" "a"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"dict_ALPHA"
+end ind
+
+
+ind attr
+"concept" "sys" "dict" "unknown"
+0
+"concept" "sys" "attrs" "common" "var"
+psym
+"dict_UNKNOWN"
+end ind
+
+
+quit
+
diff --git a/tutorial-15/kb/user/hier.kb b/tutorial-15/kb/user/hier.kb
new file mode 100644
index 0000000..9d513bf
--- /dev/null
+++ b/tutorial-15/kb/user/hier.kb
@@ -0,0 +1,756 @@
+add empty
+add root
+add hier "concept" "gram"
+add hier "concept" "sys"
+add hier "concept" "sys" "attrs"
+add hier "concept" "sys" "attrs" "proxy"
+add hier "concept" "sys" "attrs" "proxy" "atom"
+add hier "concept" "sys" "attrs" "pproxy"
+add hier "concept" "sys" "attrs" "pproxy" "phrase"
+add hier "concept" "sys" "attrs" "common"
+add hier "concept" "sys" "attrs" "common" "var"
+add hier "concept" "sys" "attrs" "rule_elt"
+add hier "concept" "sys" "vals"
+add hier "concept" "sys" "vals" "boolean"
+add hier "concept" "sys" "vals" "boolean" "false"
+add hier "concept" "sys" "vals" "boolean" "true"
+add hier "concept" "sys" "nlp"
+add hier "concept" "sys" "nlp" "wht"
+add hier "concept" "sys" "nlp" "punct"
+add hier "concept" "sys" "nlp" "ctrl"
+add hier "concept" "sys" "nlp" "lex"
+add hier "concept" "sys" "nlp" "lex" "slot"
+add hier "concept" "sys" "nlp" "lex" "slot" "cases"
+add hier "concept" "sys" "mean"
+add hier "concept" "sys" "mean" "slot"
+add hier "concept" "sys" "mean" "slot" "case"
+add hier "concept" "sys" "mean" "slot" "case" "cap"
+add hier "concept" "sys" "mean" "slot" "case" "allcap"
+add hier "concept" "sys" "mean" "slot" "case" "mixed"
+add hier "concept" "sys" "mean" "slot" "mixed"
+add hier "concept" "sys" "dict"
+add hier "concept" "sys" "dict" "a"
+add hier "concept" "sys" "dict" "a" "A"
+add hier "concept" "sys" "dict" "a" "A" "A"
+add hier "concept" "sys" "dict" "a" "A" "Aa"
+add hier "concept" "sys" "dict" "a" "A" "Ab"
+add hier "concept" "sys" "dict" "a" "A" "Ac"
+add hier "concept" "sys" "dict" "a" "A" "Ad"
+add hier "concept" "sys" "dict" "a" "A" "Ae"
+add hier "concept" "sys" "dict" "a" "A" "Af"
+add hier "concept" "sys" "dict" "a" "A" "Ag"
+add hier "concept" "sys" "dict" "a" "A" "Ah"
+add hier "concept" "sys" "dict" "a" "A" "Ai"
+add hier "concept" "sys" "dict" "a" "A" "Aj"
+add hier "concept" "sys" "dict" "a" "A" "Ak"
+add hier "concept" "sys" "dict" "a" "A" "Al"
+add hier "concept" "sys" "dict" "a" "A" "Am"
+add hier "concept" "sys" "dict" "a" "A" "An"
+add hier "concept" "sys" "dict" "a" "A" "Ap"
+add hier "concept" "sys" "dict" "a" "A" "Aq"
+add hier "concept" "sys" "dict" "a" "A" "Ar"
+add hier "concept" "sys" "dict" "a" "A" "As"
+add hier "concept" "sys" "dict" "a" "A" "At"
+add hier "concept" "sys" "dict" "a" "A" "Au"
+add hier "concept" "sys" "dict" "a" "A" "Av"
+add hier "concept" "sys" "dict" "a" "A" "Aw"
+add hier "concept" "sys" "dict" "a" "A" "Ax"
+add hier "concept" "sys" "dict" "a" "A" "Ay"
+add hier "concept" "sys" "dict" "a" "A" "Az"
+add hier "concept" "sys" "dict" "a" "B"
+add hier "concept" "sys" "dict" "a" "B" "B"
+add hier "concept" "sys" "dict" "a" "B" "Ba"
+add hier "concept" "sys" "dict" "a" "B" "Be"
+add hier "concept" "sys" "dict" "a" "B" "Bi"
+add hier "concept" "sys" "dict" "a" "B" "Bl"
+add hier "concept" "sys" "dict" "a" "B" "Bo"
+add hier "concept" "sys" "dict" "a" "B" "Br"
+add hier "concept" "sys" "dict" "a" "B" "Bu"
+add hier "concept" "sys" "dict" "a" "B" "By"
+add hier "concept" "sys" "dict" "a" "C"
+add hier "concept" "sys" "dict" "a" "C" "C"
+add hier "concept" "sys" "dict" "a" "C" "Ca"
+add hier "concept" "sys" "dict" "a" "C" "Ce"
+add hier "concept" "sys" "dict" "a" "C" "Ch"
+add hier "concept" "sys" "dict" "a" "C" "Ci"
+add hier "concept" "sys" "dict" "a" "C" "Cl"
+add hier "concept" "sys" "dict" "a" "C" "Co"
+add hier "concept" "sys" "dict" "a" "C" "Cr"
+add hier "concept" "sys" "dict" "a" "C" "Cu"
+add hier "concept" "sys" "dict" "a" "C" "Cy"
+add hier "concept" "sys" "dict" "a" "D"
+add hier "concept" "sys" "dict" "a" "D" "D"
+add hier "concept" "sys" "dict" "a" "D" "Da"
+add hier "concept" "sys" "dict" "a" "D" "De"
+add hier "concept" "sys" "dict" "a" "D" "Di"
+add hier "concept" "sys" "dict" "a" "D" "Do"
+add hier "concept" "sys" "dict" "a" "D" "Dr"
+add hier "concept" "sys" "dict" "a" "D" "Du"
+add hier "concept" "sys" "dict" "a" "D" "Dy"
+add hier "concept" "sys" "dict" "a" "E"
+add hier "concept" "sys" "dict" "a" "E" "E"
+add hier "concept" "sys" "dict" "a" "E" "Ea"
+add hier "concept" "sys" "dict" "a" "E" "Eb"
+add hier "concept" "sys" "dict" "a" "E" "Ed"
+add hier "concept" "sys" "dict" "a" "E" "Ee"
+add hier "concept" "sys" "dict" "a" "E" "Ef"
+add hier "concept" "sys" "dict" "a" "E" "Eg"
+add hier "concept" "sys" "dict" "a" "E" "Eh"
+add hier "concept" "sys" "dict" "a" "E" "Ei"
+add hier "concept" "sys" "dict" "a" "E" "Ej"
+add hier "concept" "sys" "dict" "a" "E" "El"
+add hier "concept" "sys" "dict" "a" "E" "Em"
+add hier "concept" "sys" "dict" "a" "E" "En"
+add hier "concept" "sys" "dict" "a" "E" "Eo"
+add hier "concept" "sys" "dict" "a" "E" "Ep"
+add hier "concept" "sys" "dict" "a" "E" "Eq"
+add hier "concept" "sys" "dict" "a" "E" "Er"
+add hier "concept" "sys" "dict" "a" "E" "Es"
+add hier "concept" "sys" "dict" "a" "E" "Et"
+add hier "concept" "sys" "dict" "a" "E" "Eu"
+add hier "concept" "sys" "dict" "a" "E" "Ev"
+add hier "concept" "sys" "dict" "a" "E" "Ew"
+add hier "concept" "sys" "dict" "a" "E" "Ex"
+add hier "concept" "sys" "dict" "a" "E" "Ey"
+add hier "concept" "sys" "dict" "a" "E" "Ez"
+add hier "concept" "sys" "dict" "a" "F"
+add hier "concept" "sys" "dict" "a" "F" "F"
+add hier "concept" "sys" "dict" "a" "F" "Fa"
+add hier "concept" "sys" "dict" "a" "F" "Fe"
+add hier "concept" "sys" "dict" "a" "F" "Fi"
+add hier "concept" "sys" "dict" "a" "F" "Fl"
+add hier "concept" "sys" "dict" "a" "F" "Fo"
+add hier "concept" "sys" "dict" "a" "F" "Fr"
+add hier "concept" "sys" "dict" "a" "F" "Fu"
+add hier "concept" "sys" "dict" "a" "F" "Fy"
+add hier "concept" "sys" "dict" "a" "G"
+add hier "concept" "sys" "dict" "a" "G" "G"
+add hier "concept" "sys" "dict" "a" "G" "Ga"
+add hier "concept" "sys" "dict" "a" "G" "Ge"
+add hier "concept" "sys" "dict" "a" "G" "Gh"
+add hier "concept" "sys" "dict" "a" "G" "Gi"
+add hier "concept" "sys" "dict" "a" "G" "Gl"
+add hier "concept" "sys" "dict" "a" "G" "Gn"
+add hier "concept" "sys" "dict" "a" "G" "Go"
+add hier "concept" "sys" "dict" "a" "G" "Gr"
+add hier "concept" "sys" "dict" "a" "G" "Gu"
+add hier "concept" "sys" "dict" "a" "G" "Gy"
+add hier "concept" "sys" "dict" "a" "H"
+add hier "concept" "sys" "dict" "a" "H" "H"
+add hier "concept" "sys" "dict" "a" "H" "Ha"
+add hier "concept" "sys" "dict" "a" "H" "He"
+add hier "concept" "sys" "dict" "a" "H" "Hi"
+add hier "concept" "sys" "dict" "a" "H" "Ho"
+add hier "concept" "sys" "dict" "a" "H" "Hu"
+add hier "concept" "sys" "dict" "a" "H" "Hy"
+add hier "concept" "sys" "dict" "a" "I"
+add hier "concept" "sys" "dict" "a" "I" "I"
+add hier "concept" "sys" "dict" "a" "I" "Ia"
+add hier "concept" "sys" "dict" "a" "I" "Ib"
+add hier "concept" "sys" "dict" "a" "I" "Ic"
+add hier "concept" "sys" "dict" "a" "I" "Id"
+add hier "concept" "sys" "dict" "a" "I" "Ig"
+add hier "concept" "sys" "dict" "a" "I" "Il"
+add hier "concept" "sys" "dict" "a" "I" "Im"
+add hier "concept" "sys" "dict" "a" "I" "In"
+add hier "concept" "sys" "dict" "a" "I" "Io"
+add hier "concept" "sys" "dict" "a" "I" "Ir"
+add hier "concept" "sys" "dict" "a" "I" "Is"
+add hier "concept" "sys" "dict" "a" "I" "It"
+add hier "concept" "sys" "dict" "a" "J"
+add hier "concept" "sys" "dict" "a" "J" "J"
+add hier "concept" "sys" "dict" "a" "J" "Ja"
+add hier "concept" "sys" "dict" "a" "J" "Je"
+add hier "concept" "sys" "dict" "a" "J" "Ji"
+add hier "concept" "sys" "dict" "a" "J" "Jo"
+add hier "concept" "sys" "dict" "a" "J" "Ju"
+add hier "concept" "sys" "dict" "a" "K"
+add hier "concept" "sys" "dict" "a" "K" "K"
+add hier "concept" "sys" "dict" "a" "K" "Ka"
+add hier "concept" "sys" "dict" "a" "K" "Ke"
+add hier "concept" "sys" "dict" "a" "K" "Kh"
+add hier "concept" "sys" "dict" "a" "K" "Ki"
+add hier "concept" "sys" "dict" "a" "K" "Kl"
+add hier "concept" "sys" "dict" "a" "K" "Kn"
+add hier "concept" "sys" "dict" "a" "K" "Ko"
+add hier "concept" "sys" "dict" "a" "K" "Kr"
+add hier "concept" "sys" "dict" "a" "K" "Ku"
+add hier "concept" "sys" "dict" "a" "L"
+add hier "concept" "sys" "dict" "a" "L" "L"
+add hier "concept" "sys" "dict" "a" "L" "La"
+add hier "concept" "sys" "dict" "a" "L" "Le"
+add hier "concept" "sys" "dict" "a" "L" "Li"
+add hier "concept" "sys" "dict" "a" "L" "Ll"
+add hier "concept" "sys" "dict" "a" "L" "Lo"
+add hier "concept" "sys" "dict" "a" "L" "Lu"
+add hier "concept" "sys" "dict" "a" "L" "Ly"
+add hier "concept" "sys" "dict" "a" "M"
+add hier "concept" "sys" "dict" "a" "M" "M"
+add hier "concept" "sys" "dict" "a" "M" "Ma"
+add hier "concept" "sys" "dict" "a" "M" "Me"
+add hier "concept" "sys" "dict" "a" "M" "Mi"
+add hier "concept" "sys" "dict" "a" "M" "Mn"
+add hier "concept" "sys" "dict" "a" "M" "Mo"
+add hier "concept" "sys" "dict" "a" "M" "Mu"
+add hier "concept" "sys" "dict" "a" "M" "My"
+add hier "concept" "sys" "dict" "a" "N"
+add hier "concept" "sys" "dict" "a" "N" "N"
+add hier "concept" "sys" "dict" "a" "N" "Na"
+add hier "concept" "sys" "dict" "a" "N" "Ne"
+add hier "concept" "sys" "dict" "a" "N" "Ni"
+add hier "concept" "sys" "dict" "a" "N" "No"
+add hier "concept" "sys" "dict" "a" "N" "Nu"
+add hier "concept" "sys" "dict" "a" "N" "Ny"
+add hier "concept" "sys" "dict" "a" "O"
+add hier "concept" "sys" "dict" "a" "O" "O"
+add hier "concept" "sys" "dict" "a" "O" "Oa"
+add hier "concept" "sys" "dict" "a" "O" "Ob"
+add hier "concept" "sys" "dict" "a" "O" "Oc"
+add hier "concept" "sys" "dict" "a" "O" "Od"
+add hier "concept" "sys" "dict" "a" "O" "Oe"
+add hier "concept" "sys" "dict" "a" "O" "Of"
+add hier "concept" "sys" "dict" "a" "O" "Og"
+add hier "concept" "sys" "dict" "a" "O" "Oh"
+add hier "concept" "sys" "dict" "a" "O" "Oi"
+add hier "concept" "sys" "dict" "a" "O" "Ok"
+add hier "concept" "sys" "dict" "a" "O" "On"
+add hier "concept" "sys" "dict" "a" "O" "Oo"
+add hier "concept" "sys" "dict" "a" "O" "Op"
+add hier "concept" "sys" "dict" "a" "O" "Oq"
+add hier "concept" "sys" "dict" "a" "O" "Or"
+add hier "concept" "sys" "dict" "a" "O" "Os"
+add hier "concept" "sys" "dict" "a" "O" "Ot"
+add hier "concept" "sys" "dict" "a" "O" "Ou"
+add hier "concept" "sys" "dict" "a" "O" "Ov"
+add hier "concept" "sys" "dict" "a" "O" "Ow"
+add hier "concept" "sys" "dict" "a" "O" "Ox"
+add hier "concept" "sys" "dict" "a" "O" "Oy"
+add hier "concept" "sys" "dict" "a" "O" "Oz"
+add hier "concept" "sys" "dict" "a" "P"
+add hier "concept" "sys" "dict" "a" "P" "P"
+add hier "concept" "sys" "dict" "a" "P" "Pa"
+add hier "concept" "sys" "dict" "a" "P" "Pe"
+add hier "concept" "sys" "dict" "a" "P" "Ph"
+add hier "concept" "sys" "dict" "a" "P" "Pi"
+add hier "concept" "sys" "dict" "a" "P" "Pl"
+add hier "concept" "sys" "dict" "a" "P" "Pn"
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+add hier "concept" "sys" "dict" "a" "v" "vi"
+add hier "concept" "sys" "dict" "a" "v" "vo"
+add hier "concept" "sys" "dict" "a" "v" "vu"
+add hier "concept" "sys" "dict" "a" "w"
+add hier "concept" "sys" "dict" "a" "w" "w"
+add hier "concept" "sys" "dict" "a" "w" "wa"
+add hier "concept" "sys" "dict" "a" "w" "we"
+add hier "concept" "sys" "dict" "a" "w" "wh"
+add hier "concept" "sys" "dict" "a" "w" "wi"
+add hier "concept" "sys" "dict" "a" "w" "wo"
+add hier "concept" "sys" "dict" "a" "w" "wr"
+add hier "concept" "sys" "dict" "a" "w" "wu"
+add hier "concept" "sys" "dict" "a" "x"
+add hier "concept" "sys" "dict" "a" "x" "x"
+add hier "concept" "sys" "dict" "a" "x" "xa"
+add hier "concept" "sys" "dict" "a" "x" "xe"
+add hier "concept" "sys" "dict" "a" "x" "xi"
+add hier "concept" "sys" "dict" "a" "x" "xo"
+add hier "concept" "sys" "dict" "a" "x" "xu"
+add hier "concept" "sys" "dict" "a" "x" "xy"
+add hier "concept" "sys" "dict" "a" "y"
+add hier "concept" "sys" "dict" "a" "y" "y"
+add hier "concept" "sys" "dict" "a" "y" "ya"
+add hier "concept" "sys" "dict" "a" "y" "ye"
+add hier "concept" "sys" "dict" "a" "y" "yi"
+add hier "concept" "sys" "dict" "a" "y" "yo"
+add hier "concept" "sys" "dict" "a" "y" "yu"
+add hier "concept" "sys" "dict" "a" "z"
+add hier "concept" "sys" "dict" "a" "z" "z"
+add hier "concept" "sys" "dict" "a" "z" "za"
+add hier "concept" "sys" "dict" "a" "z" "ze"
+add hier "concept" "sys" "dict" "a" "z" "zi"
+add hier "concept" "sys" "dict" "a" "z" "zo"
+add hier "concept" "sys" "dict" "a" "z" "zu"
+add hier "concept" "sys" "dict" "a" "z" "zy"
+add hier "concept" "sys" "dict" "0"
+add hier "concept" "sys" "dict" "0" "0"
+add hier "concept" "sys" "dict" "0" "0" "0"
+add hier "concept" "sys" "dict" "0" "0" "00"
+add hier "concept" "sys" "dict" "0" "0" "01"
+add hier "concept" "sys" "dict" "0" "0" "02"
+add hier "concept" "sys" "dict" "0" "0" "03"
+add hier "concept" "sys" "dict" "0" "0" "04"
+add hier "concept" "sys" "dict" "0" "0" "05"
+add hier "concept" "sys" "dict" "0" "0" "06"
+add hier "concept" "sys" "dict" "0" "0" "07"
+add hier "concept" "sys" "dict" "0" "0" "08"
+add hier "concept" "sys" "dict" "0" "0" "09"
+add hier "concept" "sys" "dict" "0" "1"
+add hier "concept" "sys" "dict" "0" "1" "1"
+add hier "concept" "sys" "dict" "0" "1" "10"
+add hier "concept" "sys" "dict" "0" "1" "11"
+add hier "concept" "sys" "dict" "0" "1" "12"
+add hier "concept" "sys" "dict" "0" "1" "13"
+add hier "concept" "sys" "dict" "0" "1" "14"
+add hier "concept" "sys" "dict" "0" "1" "15"
+add hier "concept" "sys" "dict" "0" "1" "16"
+add hier "concept" "sys" "dict" "0" "1" "17"
+add hier "concept" "sys" "dict" "0" "1" "18"
+add hier "concept" "sys" "dict" "0" "1" "19"
+add hier "concept" "sys" "dict" "0" "2"
+add hier "concept" "sys" "dict" "0" "2" "2"
+add hier "concept" "sys" "dict" "0" "2" "20"
+add hier "concept" "sys" "dict" "0" "2" "21"
+add hier "concept" "sys" "dict" "0" "2" "22"
+add hier "concept" "sys" "dict" "0" "2" "23"
+add hier "concept" "sys" "dict" "0" "2" "24"
+add hier "concept" "sys" "dict" "0" "2" "25"
+add hier "concept" "sys" "dict" "0" "2" "26"
+add hier "concept" "sys" "dict" "0" "2" "27"
+add hier "concept" "sys" "dict" "0" "2" "28"
+add hier "concept" "sys" "dict" "0" "2" "29"
+add hier "concept" "sys" "dict" "0" "3"
+add hier "concept" "sys" "dict" "0" "3" "3"
+add hier "concept" "sys" "dict" "0" "3" "30"
+add hier "concept" "sys" "dict" "0" "3" "31"
+add hier "concept" "sys" "dict" "0" "3" "32"
+add hier "concept" "sys" "dict" "0" "3" "33"
+add hier "concept" "sys" "dict" "0" "3" "34"
+add hier "concept" "sys" "dict" "0" "3" "35"
+add hier "concept" "sys" "dict" "0" "3" "36"
+add hier "concept" "sys" "dict" "0" "3" "37"
+add hier "concept" "sys" "dict" "0" "3" "38"
+add hier "concept" "sys" "dict" "0" "3" "39"
+add hier "concept" "sys" "dict" "0" "4"
+add hier "concept" "sys" "dict" "0" "4" "4"
+add hier "concept" "sys" "dict" "0" "4" "40"
+add hier "concept" "sys" "dict" "0" "4" "41"
+add hier "concept" "sys" "dict" "0" "4" "42"
+add hier "concept" "sys" "dict" "0" "4" "43"
+add hier "concept" "sys" "dict" "0" "4" "44"
+add hier "concept" "sys" "dict" "0" "4" "45"
+add hier "concept" "sys" "dict" "0" "4" "46"
+add hier "concept" "sys" "dict" "0" "4" "47"
+add hier "concept" "sys" "dict" "0" "4" "48"
+add hier "concept" "sys" "dict" "0" "4" "49"
+add hier "concept" "sys" "dict" "0" "5"
+add hier "concept" "sys" "dict" "0" "5" "5"
+add hier "concept" "sys" "dict" "0" "5" "50"
+add hier "concept" "sys" "dict" "0" "5" "51"
+add hier "concept" "sys" "dict" "0" "5" "52"
+add hier "concept" "sys" "dict" "0" "5" "53"
+add hier "concept" "sys" "dict" "0" "5" "54"
+add hier "concept" "sys" "dict" "0" "5" "55"
+add hier "concept" "sys" "dict" "0" "5" "56"
+add hier "concept" "sys" "dict" "0" "5" "57"
+add hier "concept" "sys" "dict" "0" "5" "58"
+add hier "concept" "sys" "dict" "0" "5" "59"
+add hier "concept" "sys" "dict" "0" "6"
+add hier "concept" "sys" "dict" "0" "6" "6"
+add hier "concept" "sys" "dict" "0" "6" "60"
+add hier "concept" "sys" "dict" "0" "6" "61"
+add hier "concept" "sys" "dict" "0" "6" "62"
+add hier "concept" "sys" "dict" "0" "6" "63"
+add hier "concept" "sys" "dict" "0" "6" "64"
+add hier "concept" "sys" "dict" "0" "6" "65"
+add hier "concept" "sys" "dict" "0" "6" "66"
+add hier "concept" "sys" "dict" "0" "6" "67"
+add hier "concept" "sys" "dict" "0" "6" "68"
+add hier "concept" "sys" "dict" "0" "6" "69"
+add hier "concept" "sys" "dict" "0" "7"
+add hier "concept" "sys" "dict" "0" "7" "7"
+add hier "concept" "sys" "dict" "0" "7" "70"
+add hier "concept" "sys" "dict" "0" "7" "71"
+add hier "concept" "sys" "dict" "0" "7" "72"
+add hier "concept" "sys" "dict" "0" "7" "73"
+add hier "concept" "sys" "dict" "0" "7" "74"
+add hier "concept" "sys" "dict" "0" "7" "75"
+add hier "concept" "sys" "dict" "0" "7" "76"
+add hier "concept" "sys" "dict" "0" "7" "77"
+add hier "concept" "sys" "dict" "0" "7" "78"
+add hier "concept" "sys" "dict" "0" "7" "79"
+add hier "concept" "sys" "dict" "0" "8"
+add hier "concept" "sys" "dict" "0" "8" "8"
+add hier "concept" "sys" "dict" "0" "8" "80"
+add hier "concept" "sys" "dict" "0" "8" "81"
+add hier "concept" "sys" "dict" "0" "8" "82"
+add hier "concept" "sys" "dict" "0" "8" "83"
+add hier "concept" "sys" "dict" "0" "8" "84"
+add hier "concept" "sys" "dict" "0" "8" "85"
+add hier "concept" "sys" "dict" "0" "8" "86"
+add hier "concept" "sys" "dict" "0" "8" "87"
+add hier "concept" "sys" "dict" "0" "8" "88"
+add hier "concept" "sys" "dict" "0" "8" "89"
+add hier "concept" "sys" "dict" "0" "9"
+add hier "concept" "sys" "dict" "0" "9" "9"
+add hier "concept" "sys" "dict" "0" "9" "90"
+add hier "concept" "sys" "dict" "0" "9" "91"
+add hier "concept" "sys" "dict" "0" "9" "92"
+add hier "concept" "sys" "dict" "0" "9" "93"
+add hier "concept" "sys" "dict" "0" "9" "94"
+add hier "concept" "sys" "dict" "0" "9" "95"
+add hier "concept" "sys" "dict" "0" "9" "96"
+add hier "concept" "sys" "dict" "0" "9" "97"
+add hier "concept" "sys" "dict" "0" "9" "98"
+add hier "concept" "sys" "dict" "0" "9" "99"
+add hier "concept" "sys" "dict" "A"
+add hier "concept" "sys" "dict" "wht"
+add hier "concept" "sys" "dict" "pnct"
+add hier "concept" "sys" "dict" "ctrl"
+add hier "concept" "sys" "dict" "emoji"
+add hier "concept" "sys" "dict" "unknown"
+
+quit
+
diff --git a/tutorial-15/kb/user/phr.kb b/tutorial-15/kb/user/phr.kb
new file mode 100644
index 0000000..3b3c7fc
--- /dev/null
+++ b/tutorial-15/kb/user/phr.kb
@@ -0,0 +1,3 @@
+
+quit
+
diff --git a/tutorial-15/kb/user/word.kb b/tutorial-15/kb/user/word.kb
new file mode 100644
index 0000000..36151ce
--- /dev/null
+++ b/tutorial-15/kb/user/word.kb
@@ -0,0 +1,57 @@
+add word "
+"
+add word "	"
+add word " "
+add word ">"
+add word "<"
+add word "/"
+add word "\\"
+add word "|"
+add word "]"
+add word "["
+add word "}"
+add word "{"
+add word "+"
+add word "="
+add word "_"
+add word "-"
+add word ")"
+add word "("
+add word "*"
+add word "&"
+add word "^"
+add word "%"
+add word "$"
+add word "#"
+add word "@"
+add word "`"
+add word "~"
+add word "?"
+add word "!"
+add word "\""
+add word "'"
+add word ":"
+add word ","
+add word "."
+add word ";"
+add word "closed"
+add word "constrain"
+add word "dirty"
+add word "gen"
+add word "lit"
+add word "locked"
+add word "quicksem"
+add word "split"
+add word "xwhite"
+add word active
+add word algo
+add word building
+add word comment
+add word data
+add word pass
+add word passnum
+add word state
+add word type
+
+quit
+
diff --git a/tutorial-15/spec/KBFuncs.nlp b/tutorial-15/spec/KBFuncs.nlp
new file mode 100644
index 0000000..c4762f5
--- /dev/null
+++ b/tutorial-15/spec/KBFuncs.nlp
@@ -0,0 +1,597 @@
+###############################################
+# FILE: KBFuncs.pat
+# SUBJ: Call the DumpKB function
+# AUTH: Your Name
+# CREATED: 2020-11-19 8:40:53
+# MODIFIED:
+###############################################
+
+@DECL
+
+###############################################
+# General functions
+###############################################
+
+AddUniqueCon(L("concept"),L("name")) {
+	L("con") = findconcept(L("concept"),L("name"));
+	if (!L("con")) L("con") = makeconcept(L("concept"),L("name"));
+	return L("con");
+}
+
+AddUniqueStr(L("concept"),L("attr"),L("value")) {
+	if (L("value")) {
+		L("val") = AttrValues(L("concept"),L("attr"));
+		while (L("val")) {
+			L("str") = getstrval(L("val"));
+			if (L("str") == L("value"))
+				return 0;
+			L("val") = nextval(L("val"));
+		}
+		addstrval(L("concept"),L("attr"),L("value"));
+		return 1;
+	}
+	return 0;
+}
+
+AddUniqueNum(L("concept"),L("attr"),L("value")) {
+	if (L("value")) {
+		L("val") = AttrValues(L("concept"),L("attr"));
+		while (L("val")) {
+			L("num") = getnumval(L("val"));
+			if (L("num") == L("value"))
+				return 0;
+			L("val") = nextval(L("val"));
+		}
+		addnumval(L("concept"),L("attr"),L("value"));
+		return 1;
+	}
+	return 0;
+}
+
+AddUniqueConVal(L("concept"),L("attr"),L("value")) {
+	"unique.txt" << L("attr") << " " << conceptpath(L("concept")) << " ==> " << L("attr") << " -- " << conceptpath(L("value")) << "\n";
+	L("val") = AttrValues(L("concept"),L("attr"));
+	while (L("val")) {
+		L("con") = getconval(L("val"));
+		"unique.txt" << conceptname(L("con")) << "\n";
+		if (conceptpath(L("con")) == conceptpath(L("value")))
+			return 0;
+		L("val") = nextval(L("val"));
+	}
+	addconval(L("concept"),L("attr"),L("value"));
+	return 1;
+}
+
+PathToConcept(L("parent"),L("hier")) {
+	L("cons") = split(L("hier")," ");
+	L("i") = 0;
+	L("con") = L("parent");
+	while (L("cons")[L("i")]) {
+		L("c") = L("cons")[L("i")];
+		L("name") = strsubst(L("c"),"\"",0);
+		if (L("name") != "concept")
+			L("con") = AddUniqueCon(L("con"),L("name"));
+		L("i")++;
+	}
+	return L("con");
+}
+
+CopyAttr(L("from"),L("to"),L("attr")) {
+	L("from value") = strval(L("from"),L("attr"));
+	if (L("from value")) {
+		L("to value") = strval(L("to"),L("attr"));
+		if (L("from value") && !L("to value"))
+			addstrval(L("to"),L("attr"),L("from value"));
+	}
+}
+
+CopyAttrNew(L("from"),L("to"),L("attr from"),L("attr to")) {
+	L("from value") = strval(L("from"),L("attr from"));
+	if (L("from value")) {
+		L("to value") = strval(L("to"),L("attr to"));
+		if (L("from value") && !L("to value"))
+			addstrval(L("to"),L("attr to"),L("from value"));
+	}
+}
+
+CopyConAttr(L("from"),L("to"),L("attr")) {
+	L("from value") = conval(L("from"),L("attr"));
+	if (L("from value")) {
+		L("to value") = conval(L("to"),L("attr"));
+		if (L("from value") && !L("to value"))
+			addconval(L("to"),L("attr"),L("from value"));	
+	}
+}
+
+CopyConAttrs(L("from"),L("to")) {
+	L("attrs") = findattrs(L("from"));
+	while (L("attrs")) {
+		L("vals") = attrvals(L("attrs"));
+		L("name") = attrname(L("attrs"));
+		L("type") = attrtype(L("from"),L("name"));
+
+		while (L("vals")) {
+			if (L("type") == 1) {
+				addnumval(L("to"),L("name"),getnumval(L("vals")));
+			} else if (L("type") == 2) {
+				addconval(L("to"),L("name"),getconval(L("vals")));
+			} else if (L("type") == 3) {
+				addnumval(L("to"),L("name"),getfltval(L("vals")));
+			} else {
+				addstrval(L("to"),L("name"),getstrval(L("vals")));
+			}
+			L("vals") = nextval(L("vals"));
+		}
+		L("attrs") = nextattr(L("attrs"));
+	}		
+}
+
+AttrValues(L("con"),L("attr")) {
+	L("at") = findattr(L("con"),L("attr"));
+	if (L("at"))
+		return attrvals(L("at"));
+	return 0;
+}
+
+ValCount(L("vals")) {
+	while (L("vals")) {
+		L("count")++;
+		L("vals") = nextval(L("vals"));
+	}
+	return L("count");
+}
+
+LastChild(L("parent")) {
+	L("child") = down(L("parent"));
+	while (L("child")) {
+		L("last") = L("child");
+		L("child") = next(L("child"));
+	}
+	return L("last");
+}
+
+MakeCountCon(L("con"),L("count name")) {
+	L("count name") = CountName(L("con"),L("count name"));
+	return makeconcept(L("con"),L("count name"));
+}
+
+IncrementCount(L("con"),L("countname")) {
+	L("count") = numval(L("con"),L("countname"));
+	if (L("count")) {
+		L("count") = L("count") + 1;
+		replaceval(L("con"),L("countname"),L("count"));
+	} else {
+		addnumval(L("con"),L("countname"),1);
+		L("count") = 1;
+	}
+	return L("count");
+}
+
+CountName(L("con"),L("root")) {
+	L("count") = IncrementCount(L("con"),L("root"));
+	return L("root") + str(L("count"));
+}
+
+StripEndDigits(L("name")) {
+	if (strisdigit(L("name"))) return 0;
+	L("len") = strlength(L("name")) - 1;
+	L("i") = L("len") - 1;
+	L("str") = strpiece(L("name"),L("i"),L("len"));
+	while (strisdigit(L("str")) && L("i")) {
+		L("i")--;
+		L("str") = strpiece(L("name"),L("i"),L("len"));
+	}
+	return strpiece(L("name"),0,L("i"));
+}
+
+###############################################
+# KB Dump Functipns
+###############################################
+
+DumpKB(L("con"),L("file")) {
+	L("dir") = G("$apppath") + "/kb/";
+	L("filename") = L("dir") + L("file") + ".kb";
+	if (!kbdumptree(L("con"),L("filename"))) {
+		"kb.txt" << "FAILED dump: " << L("filename") << "\n";
+	} else {
+		"kb.txt" << "DUMPED: " << L("filename") << "\n";
+	}
+}
+
+TakeKB(L("filename")) {
+	L("path") = G("$apppath") + "/kb/" + L("filename") + ".kb";
+	"kb.txt" << "Taking: " << L("path") << "\n";
+	if (take(L("path"))) {
+		"kb.txt" << "  Taken successfully: " << L("path") << "\n";
+	} else {
+		"kb.txt" << "  Taken FAILED: " << L("path") << "\n";		
+	}
+} 
+
+ChildCount(L("con")) {
+	L("count") = 0;
+	L("child") = down(L("con"));
+	while (L("child")) {
+		L("count")++;
+		L("child") = next(L("child"));
+	}
+	return L("count");
+}
+
+###############################################
+# KBB DISPLAY FUNCTIONS
+###############################################
+
+###############################################
+# display type:
+#      0 compact with ellipses on long attr values
+#      1 full, more spread out
+#      2 compact without ellipses on long attr values
+###############################################
+
+SaveToKB(L("con"),L("name")) {
+    L("filepath") = G("$kbpath") + L("name") + ".kbb";
+    L("file") = openfile(L("filepath"));
+    SaveKB(L("file"),L("con"),2);
+    closefile(L("file"));
+}
+
+SaveKB(L("file"),L("top con"),L("display type")) {
+	DisplayKBRecurse(L("file"),L("top con"),0,L("display type"));
+	L("file") << "\n";
+	return L("top con");
+}
+
+DisplayKB(L("top con"),L("display type")) {
+	L("file") = DisplayFileName();
+	DisplayKBRecurse(L("file"),L("top con"),0,L("display type"));
+	L("file") << "\n";
+	return L("top con");
+}
+
+KBHeader(L("text")) {
+	L("file") = DisplayFileName();
+	L("file") << "#######################\n";
+	L("file") << "#  " << L("text") << "\n";
+	L("file") << "#######################\n\n";
+}
+
+DisplayFileName() {
+	if (num(G("$passnum")) < 10) {
+		L("file") = "ana00" + str(G("$passnum"));
+	}else if (num(G("$passnum")) < 100) {
+		L("file") = "ana0" + str(G("$passnum"));
+	} else {
+		L("file") = "ana" + str(G("$passnum"));
+	}
+	L("file") = L("file") + ".kbb";
+	return L("file");
+}
+
+DisplayKBRecurse(L("file"),L("parent"),L("level"),L("display type")) {
+	if (L("level") == 0) {
+		L("file") << conceptname(L("parent")) << "\n";
+	}
+	L("con") = down(L("parent"));
+	while (L("con")) {
+		L("file") << SpacesStr(L("level")+1) << conceptname(L("con"));
+		DisplayAttributes(L("file"),L("con"),L("display type"),L("level"));
+		L("file") << "\n";
+		if (down(L("con"))) {
+			L("lev") = 1;
+			DisplayKBRecurse(L("file"),L("con"),L("level")+L("lev"),L("display type"));
+		}
+		L("con") = next(L("con"));
+	}
+}
+
+DisplayAttributes(L("file"),L("con"),L("display type"),L("level")) {
+	L("attrs") = findattrs(L("con"));
+	if (L("attrs")) L("file") << ": ";
+	if (L("display type") == 1 && L("attrs")) L("file") << "\n";
+	L("first attr") = 1;
+	
+	while (L("attrs")) {
+		L("vals") = attrvals(L("attrs"));
+		L("count") = ValCount(L("vals"));
+		if (L("display type") != 1 && !L("first attr")) {
+			L("file") << ", ";
+		}
+		if (L("display type") == 1) {
+			if (!L("first attr")) L("file") << "\n";
+			L("file") << SpacesStr(L("level")+2);
+		}
+		L("name") = attrname(L("attrs"));
+		L("file") << QuoteIfNeeded(L("name")) << "=";
+		L("first") = 1;
+		L("type") = attrtype(L("con"),L("name"));
+
+		while (L("vals")) {
+			if (!L("first"))
+				L("file") << ",";
+			else if (L("type") != 2 && L("count") > 1)
+				L("file") << "[";
+
+			if (L("type") == 1) {
+				L("num") = getnumval(L("vals"));
+				L("file") << str(L("num"));
+
+			} else if (L("type") == 2) {
+				if (L("first"))
+					L("file") << "[";
+				L("c") = getconval(L("vals"));
+				L("file") << conceptpath(L("c"));
+
+			} else if (L("type") == 3) {
+				L("flt") = getfltval(L("vals"));
+				L("file") << str(L("flt"));
+
+			} else {
+				L("val") = getstrval(L("vals"));
+				if (L("display type") == 0 && strlength(L("val")) > 20) {
+					L("shorty") = strpiece(L("val"),0,20);
+					L("val") = L("shorty") + "...";
+				}
+				L("file") << QuoteIfNeeded(str(L("val")));
+			}
+			L("first") = 0;
+			L("vals") = nextval(L("vals"));
+		}
+		
+		if (L("type") == 2 || L("count") > 1)
+			L("file") << "]";
+		L("first attr") = 0;
+		L("attrs") = nextattr(L("attrs"));
+	}
+}
+
+QuoteIfNeeded(L("str")) {
+	if (!L("str"))
+		return 0;
+	L("new") = strsubst(L("str"),"\"","\\\"");
+	if (strcontains(" ",L("str")) || strhaspunct(L("str")))
+		L("new") = "\"" + L("new") + "\"";
+	return L("new");
+}
+
+# Because NLP++ doesn't allow for empty strings,
+# this function can only be called with "num" >= 1
+SpacesStr(L("num")) {
+    L("n") = 1;
+	L("spaces") = "  ";
+	while (L("n") < L("num")) {
+		L("spaces") = L("spaces") + "  ";
+		L("n")++;
+	}
+	return L("spaces");
+}
+
+PadStr(L("num str"),L("pad str"),L("pad len")) {
+	L("len") = strlength(L("num str"));
+	L("pad") = 0;
+	L("to pad") = L("pad len") - L("len");
+	while (L("i")++ < L("to pad")) {
+		L("pad") = L("pad") + L("pad str");
+	}
+	L("padded") = L("pad") + L("num str");
+	return L("padded");
+}
+
+###############################################
+# JSON FUNCTIONS
+###############################################
+
+JsonKB(L("file"),L("con")) {
+	JsonKBRecurse(L("file"),L("con"),0);
+}
+
+JsonKBRecurse(L("file"),L("parent"),L("level")) {
+	if (L("level") == 0) {
+		L("file") << "{\n";
+	}
+	L("con") = down(L("parent"));
+	L("first") = 1;
+	while (L("con")) {
+		L("file") << SpacesStr(L("level")+1) << JsonStr(conceptname(L("con"))) << ": {\n";
+		JsonAttributes(L("file"),L("con"),L("level")+1);
+		if (down(L("con"))) {
+			L("lev") = 1;
+			if (!L("first")) L("file") << ",\n";
+			JsonKBRecurse(L("file"),L("con"),L("level")+L("lev"));
+		}
+		else {
+			L("file") << "\n";
+		}
+		L("file") << SpacesStr(L("level")+1) << "}";
+		if (next(L("con"))) {
+			L("file") << ",";
+		}
+		L("file") << "\n";
+		L("first") = 0;
+		L("con") = next(L("con"));
+	}
+	if (L("level") == 0) {
+		L("file") << "}\n";
+	}
+}
+
+JsonAttributes(L("file"),L("con"),L("level")) {
+	L("attrs") = findattrs(L("con"));
+	if (L("display type") == 1 && L("attrs")) L("file") << "\n";
+	L("first attr") = 1;
+	L("first") = 1;
+	
+	while (L("attrs")) {
+		L("vals") = attrvals(L("attrs"));
+		L("count") = ValCount(L("vals"));
+		if (!L("first attr")) {
+			L("file") << "\n";
+		}
+		L("name") = attrname(L("attrs"));
+		L("file") << SpacesStr(L("level")+1) << JsonStr(L("name")) << ": ";
+		L("type") = attrtype(L("con"),L("name"));
+
+		while (L("vals")) {
+			if (L("type") != 2 && L("count") > 1)
+				L("file") << "[";
+
+			if (L("type") == 1) {
+				L("num") = getnumval(L("vals"));
+				L("file") << JsonStr(str(L("num")));
+
+			} else if (L("type") == 2) {
+				L("c") = getconval(L("vals"));
+				L("file") << JsonStr(conceptpath(L("c")));
+
+			} else if (L("type") == 3) {
+				L("flt") = getfltval(L("vals"));
+				L("file") << JsonStr(str(L("flt")));
+
+			} else {
+				L("val") = getstrval(L("vals"));
+				L("file") << JsonStr(str(L("val")));
+			}
+			L("first") = 0;
+			L("vals") = nextval(L("vals"));
+		}
+		
+		L("first attr") = 0;
+		L("attrs") = nextattr(L("attrs"));
+		if (L("attrs")) L("file") << ",";
+	}
+}
+
+JsonStr(L("str")) {
+	L("str") = strsubst(L("str"), "\\", "\\\\");
+	L("str") = strsubst(L("str"), "\"", "\\\"");
+	return "\"" + L("str") + "\"";
+}
+
+###############################################
+# Ambiguity Functions
+###############################################
+
+AmbigTrimPOS(L("node"),L("pos")) {
+	L("meaning") = pnvar(L("node"),"meaning");
+	if (!L("meaning")) {
+		return;
+	}
+	L("con") = down(L("meaning"));
+	while (L("con")) {
+		L("p") = strval(L("con"),"pos");
+		if (L("p") == L("pos")) {
+			AmbigCopyAttrs(L("con"),L("node"));
+			pnreplaceval(L("node"),"pos num",1);
+			pnreplaceval(L("node"),"meaning",L("con"));
+		}
+		L("con") = next(L("con"));
+	}
+
+	L("names") = pnvarnames(L("node"));
+	while (L("names")[L("ii")]) {
+		L("name") = L("names")[ L("ii") ];
+		if (IsPOS(L("name")) && L("name") != L("pos")) {
+			pnremoveval(L("node"),L("name"));
+		}
+		L("ii")++;
+    }
+}
+
+AmbigCopyAttrs(L("con"),L("node")) {
+	L("attrs") = findattrs(L("con"));
+	
+	while (L("attrs")) {
+		L("vals") = attrvals(L("attrs"));
+		L("name") = attrname(L("attrs"));
+		L("type") = attrtype(L("con"),L("name"));
+
+		if (L("name") != "pos") {
+			while (L("vals")) {
+				if (L("type") == 1) {
+					pnmakevar(L("node"),L("name"),getnumval(L("vals")));
+				} else if (L("type") == 2) {
+					pnmakevar(L("node"),L("name"),getconval(L("vals")));
+				} else if (L("type") == 3) {
+					pnmakevar(L("node"),L("name"),getfltval(L("vals")));
+				} else {
+					pnmakevar(L("node"),L("name"),getstrval(L("vals")));
+				}
+				L("vals") = nextval(L("vals"));
+			}			
+		}
+
+		L("attrs") = nextattr(L("attrs"));
+	}		
+}
+
+IsPOS(L("pos")) {
+	if (L("pos") == "noun" || L("pos") == "verb" || L("pos") == "adj" || L("pos") == "adv" || L("pos") == "prep" || L("pos") == "pron" || L("pos") == "conj" || L("pos") == "det" || L("pos") == "num" || L("pos") == "int" || L("pos") == "art" || L("pos") == "pro" || L("pos") == "punct")
+		return 1;
+	return 0;
+}
+
+###############################################
+# DICTIONARY FUNCTIONS (These are no longer needed. Relics of the past.)
+###############################################
+
+DictionaryStart() {
+	G("attrs path") = G("$apppath") + "\\kb\\user\\attrs.kb";
+	G("attrs") = openfile(G("attrs path"));
+}
+
+DictionaryWord(L("word"),L("attrName"),L("value"),L("attrType")) {
+	addword(L("word"));
+	addword(L("attrName"));
+	G("attrs") << "ind attr\n" << findwordpath(L("word")) << "\n0\n";
+	G("attrs") << findwordpath(L("attrName")) << "\n";
+	if (L("attrType") == "str")
+		G("attrs") << "pst\n" << "\"" << L("value") << "\"";
+	else if (L("attrType") == "num")
+		G("attrs") << "pnum\n" << str(L("value"));
+	else if (L("attrType") == "con")
+		G("attrs") << "pcon\n" << conceptpath(L("value"));
+	G("attrs") << "\nend ind\n\n";
+}
+
+DictionaryEnd() {
+	G("attrs") << "\nquit\n\n";
+	closefile(G("attrs"));
+}
+
+OrderByCount(L("words"),L("order")) {
+    L("done") = 0;
+    L("sanity") = 0;
+    while (!L("done")) {
+        L("done") = 1;
+        L("conmax") = 0;
+        L("max") = 0;
+        L("word") = down(L("words"));
+        while (L("word")) {
+            L("check") = numval(L("word"),"checked");
+            if (!L("check")) {
+                L("done") = 0;
+                L("count") = numval(L("word"),"count");
+                if (L("count") > L("max")) {
+                    "max.txt" << conceptname(L("word")) << " " << L("count") << "\n";
+                    L("max") = L("count");
+                    L("conmax") = L("word");
+                }
+            }
+            L("word") = next(L("word"));
+        }
+        if (!L("done") && L("conmax")) {
+            L("word") = conceptname(L("conmax"));
+            L("con") = makeconcept(L("order"),L("word"));
+            if (!spellword(L("word"))) {
+                addnumval(L("con"),"unknown",1);
+            }
+            addnumval(L("con"),"count",L("max"));
+            addnumval(L("conmax"),"checked",1);
+        }
+        if (L("safety")++ > 300) {
+            L("done") = 1;
+        }
+    }
+}
+
+@@DECL
diff --git a/tutorial-15/spec/ambig.nlp b/tutorial-15/spec/ambig.nlp
new file mode 100644
index 0000000..ce6c274
--- /dev/null
+++ b/tutorial-15/spec/ambig.nlp
@@ -0,0 +1,41 @@
+###############################################
+# FILE: ambig
+# SUBJ: comment
+# AUTH: David de Hilster
+# CREATED: 2024-7-9 16:35:17
+# MODIFIED:
+###############################################
+
+@NODES _ROOT
+
+# He works at google.
+
+@PRE
+<1,1> var("prep");
+<2,2> var("noun");
+<2,2> vargt("pos num",1);
+
+@POST
+AmbigTrimPOS(N(2),"noun");
+
+@RULES
+_xNIL <-
+	_xALPHA	### (1)
+	_xALPHA	### (2)
+	@@
+
+# Did you google his friend?
+
+@PRE
+<1,1> var("verb");
+<1,1> vargt("pos num",1);
+<2,2> var("pro");
+
+@POST
+AmbigTrimPOS(N(1),"verb");
+
+@RULES
+_xNIL <-
+	_xALPHA	### (1)
+	_xALPHA	### (2)
+	@@
\ No newline at end of file
diff --git a/tutorial-15/spec/analyzer.seq b/tutorial-15/spec/analyzer.seq
new file mode 100644
index 0000000..d6a0c7b
--- /dev/null
+++ b/tutorial-15/spec/analyzer.seq
@@ -0,0 +1,4 @@
+dicttokz	nil	# Gen:   Convert input to token list
+nlp	init	# comment
+nlp	KBFuncs	# comment
+nlp	ambig	# comment
\ No newline at end of file
diff --git a/tutorial-15/spec/init.nlp b/tutorial-15/spec/init.nlp
new file mode 100644
index 0000000..9f86270
--- /dev/null
+++ b/tutorial-15/spec/init.nlp
@@ -0,0 +1,15 @@
+###############################################
+# FILE: init
+# SUBJ: comment
+# AUTH: David de Hilster
+# CREATED: 2024-7-9 7:49:57
+# MODIFIED:
+###############################################
+
+@CODE
+
+G("dictionary") = getconcept(findroot(),"dictionary");
+SaveKB("dictionary.kbb",G("dictionary"),2);
+SaveKB("root.kbb",findroot(),2);
+
+@@CODE
\ No newline at end of file
diff --git a/tutorial-15/tmp/README.md b/tutorial-15/tmp/README.md
new file mode 100644
index 0000000..e4f67dc
--- /dev/null
+++ b/tutorial-15/tmp/README.md
@@ -0,0 +1 @@
+This directory is for the function kbdumptree. The engine should create this but sometimes permission problems arrise.
\ No newline at end of file