chat_parser

[richard easterling]

i have downloaded a program called chat_parser.pl it will load into gnu-prolog
o.k. i get a compile-yes.the problem is i do not know how to query the program.
i have tried all of what i can to access it( use it ) any ideas. here is the program.
i am sorry to have to do it like this but most people afraid of viruses will not open an attachment.



chat_parser(_) :-
    chat_parser1.

chat_parser1 :- string(X),
               determinate_say(X,_),
               fail.
chat_parser1.


%  query
 set

string([what,is,teachers,wifes,name,?]).
string([who,is,teachers,wife,?]).
string([what,is,my,name,?]).
string([who,are,you,?]).
string([how,old,are,you,?]).
string([what,rivers,are,there,?]).
string([does,afghanistan,border,china,?]).
string([what,is,the,capital,of,upper_volta,?]).
string([where,is,the,largest,country,?]).
string([which,country,'`',s,capital,is,london,?]).
string([which,countries,are,european,?]).
string([how,large,is,the,smallest,american,country,?]).
string([what,is,the,ocean,that,borders,african,countries,
    and,that,borders,asian,countries,?]).
string([what,are,the,capitals,of,the,countries,bordering,the,baltic,?]).
string([which,countries,are,bordered,by,two,seas,?]).
string([how,many,countries,does,the,danube,flow,through,?]).
string([what,is,the,total,area,of,countries,south,of,the,equator,
   
 and,not,in,australasia,?]).
string([what,is,the,average,area,of,the,countries,in,each,continent,?]).
string([is,there,more,than,one,country,in,each,continent,?]).
string([is,there,some,ocean,that,does,not,border,any,country,?]).
string([what,are,the,countries,from,which,a,river,flows,
    into,the,black_sea,?]).


%  determinate_say

determinate_say(X,Y) :- 
   say(X,Y), !.


%-----------------------------------------------------------------------------
%
%  xgrun
%
%-----------------------------------------------------------------------------

terminal(T,S,S,x(_,terminal,T,X),X).
terminal(T,[T|S],S,X,X) :-
   gap(X).

gap(x(gap,_,_,_)).
gap([]).

virtual(NT,x(_,nonterminal,NT,X),X).


%----------------------------------------------------------------------------
%
% 
 clotab
%
%----------------------------------------------------------------------------

% normal form masks

is_pp(#(1,_,_,_)).

is_pred(#(_,1,_,_)).

is_tracee(#(_,_,1,_)).

is_adv(#(_,_,_,1)).

tracee(#(_,_,1,_),#(0,0,0,0)).

tracee(#(0,0,1,0)).

adv(#(0,0,0,1)).

empty(#(0,0,0,0)).

np_all(#(1,1,1,0)).

s_all(#(1,0,1,1)).

np_no_tracee(#(1,1,0,0)).

% mask operations

myplus(#(B1,B2,B3,B4),#(C1,C2,C3,C4),#(D1,D2,D3,D4)) :-
   or(B1,C1,D1),
   or(B2,C2,D2),
   or(B3,C3,D3),
   or(B4,C4,D4).

minus(#(B1,B2,B3,B4),#(C1,C2,C3,C4),#(D1,D2,D3,D4)) :-
   anot(B1,C1,D1),
   anot(B2,C2,D2),
   anot(B3,C3,D3),
   anot(B4,C4,D4).

or(1,_,1).
or(0,1,1).
or(0,0,0).

anot(X,0,X).
anot(_X,1,0).

% noun phrase position
 features

role(subj,_,#(1,0,0)).
role(compl,_,#(0,_,_)).
role(undef,main,#(_,0,_)).
role(undef,aux,#(0,_,_)).
role(undef,decl,_).
role(nil,_,_).

subj_case(#(1,0,0)).
verb_case(#(0,1,0)).
prep_case(#(0,0,1)).
compl_case(#(0,_,_)).


%----------------------------------------------------------------------------
%
%  newg
%
%----------------------------------------------------------------------------

say(X,Y) :-
   sentence(Y,X,[],[],[]).


sentence(B,C,D,E,F) :-
   declarative(B,C,G,E,H),
   terminator(.,G,D,H,F).
sentence(B,C,D,E,F) :-
   wh_question(B,C,G,E,H),
   terminator(?,G,D,H,F).
sentence(B,C,D,E,F) :-
   topic(C,G,E,H),
   wh_question(B,G,I,H,J),
   terminator(?,I,D,J,F).
sentence(B,C,D,E,F) :-
   yn_question(B,C,G,E,H),
  
 terminator(?,G,D,H,F).
sentence(B,C,D,E,F) :-
   imperative(B,C,G,E,H),
   terminator(!,G,D,H,F).


pp(B,C,D,E,F,F,G,H) :-
   virtual(pp(B,C,D,E),G,H).
pp(pp(B,C),D,E,F,G,H,I,J) :-
   prep(B,G,K,I,L),
   prep_case(M),
   np(C,_N,M,_O,D,E,F,K,H,L,J).


topic(B,C,D,x(gap,nonterminal,pp(E,compl,F,G),H)) :-
   pp(E,compl,F,G,B,I,D,J),
   opt_comma(I,C,J,H).


opt_comma(B,C,D,E) :-
   '`'(',',B,C,D,E).
opt_comma(B,B,C,C).


declarative(decl(B),C,D,E,F) :-
   s(B,_G,C,D,E,F).


wh_question(whq(B,C),D,E,F,G) :-
   variable_q(B,_H,I,J,D,K,F,L),
   question(I,J,C,K,E,L,G).


np(B,C,D,E,F,G,H,I,I,J,K) :-
   virtual(np(B,C,D,E,F,G,H),J,K).
np(np(B,C,[]),B,D,def,_E,F,G,H,I,J,K) :-
   is_pp(F),
  
 pers_pron(C,B,L,H,I,J,K),
   empty(G),
   role(L,decl,D).
np(np(B,C,D),B,_E,F,G,H,I,J,K,L,M) :-
   is_pp(H),
   np_head(C,B,F+N,O,D,J,P,L,Q),
   np_all(R),
   np_compls(N,B,G,O,R,I,P,K,Q,M).
np(part(B,C),3+D,_E,indef,F,G,H,I,J,K,L) :-
   is_pp(G),
   determiner(B,D,indef,I,M,K,N),
   '`'(of,M,O,N,P),
   s_all(Q),
   prep_case(R),
   np(C,3+plu,R,def,F,Q,H,O,J,P,L).


variable_q(B,C,D,E,F,G,H,x(gap,nonterminal,np(I,C,E,_J,_K,L,M),N)) :-
   whq(B,C,I,D,F,G,H,N),
   tracee(L,M).
variable_q(B,C,compl,D,E,F,G,x(gap,nonterminal,pp(pp(H,I),compl,J,K),L)) :-
   prep(H,E,M,G,N),
   whq(B,C,I,_O,M,F,N,L),
   tracee(J,K),
   compl_case(D).
variable_q(B,C,compl,D,E,F,G,x(gap,nonterminal,
      
 adv_phrase(pp(H,np(C,np_head(int_det(B),[],I),[])),J,K),L)) :-
   context_pron(H,I,E,F,G,L),
   tracee(J,K),
   verb_case(D).
variable_q(B,_C,compl,D,E,F,G,
       x(gap,nonterminal,predicate(adj,value(H,wh(B)),I),J)) :-
   '`'(how,E,K,G,L),
   adj(quant,H,K,F,L,J),
   empty(I),
   verb_case(D).


adv_phrase(B,C,D,E,E,F,G) :-
   virtual(adv_phrase(B,C,D),F,G).
adv_phrase(pp(B,C),D,E,F,G,H,I) :-
   loc_pred(B,F,J,H,K),
   pp(pp(prep(of),C),compl,D,E,J,G,K,I).


predicate(B,C,D,E,E,F,G) :-
   virtual(predicate(B,C,D),F,G).
predicate(_B,C,D,E,F,G,H) :-
   adj_phrase(C,D,E,F,G,H).
predicate(neg,B,C,D,E,F,G) :-
   s_all(H),
   pp(B,compl,H,C,D,E,F,G).
predicate(_B,C,D,E,F,G,H) :-
   s_all(I),
  
 adv_phrase(C,I,D,E,F,G,H).


whq(B,C,D,undef,E,F,G,H) :-
   int_det(B,C,E,I,G,J),
   s_all(K),
   np(D,C,_L,_M,subj,K,_N,I,F,J,H).
whq(B,3+C,np(3+C,wh(B),[]),D,E,F,G,H) :-
   int_pron(D,E,F,G,H).


int_det(B,3+C,D,E,F,G) :-
   whose(B,C,D,E,F,G).
int_det(B,3+C,D,E,F,G) :-
   int_art(B,C,D,E,F,G).


gen_marker(B,B,C,D) :-
   virtual(gen_marker,C,D).
gen_marker(B,C,D,E) :-
   '`'('`',B,F,D,G),
   an_s(F,C,G,E).


whose(B,C,D,E,F,x(nogap,nonterminal,np_head0(wh(B),C,proper),
      x(nogap,nonterminal,gen_marker,G))) :-
   '`'(whose,D,E,F,G).


question(B,C,D,E,F,G,H) :-
   subj_question(B),
   role(subj,_I,C),
   s(D,_J,E,F,G,H).
question(B,C,D,E,F,G,H) :-
   fronted_verb(B,C,E,I,G,J),
  
 s(D,_K,I,F,J,H).


det(B,C,D,E,E,F,G) :-
   virtual(det(B,C,D),F,G).
det(det(B),C,D,E,F,G,H) :-
   terminal(I,E,F,G,H),
   det(I,C,B,D).
det(generic,_B,generic,C,C,D,D).


int_art(B,C,D,E,F,x(nogap,nonterminal,det(G,C,def),H)) :-
   int_art(B,C,G,D,E,F,H).


subj_question(subj).
subj_question(undef).


yn_question(q(B),C,D,E,F) :-
   fronted_verb(nil,_G,C,H,E,I),
   s(B,_J,H,D,I,F).


verb_form(B,C,D,E,F,F,G,H) :-
   virtual(verb_form(B,C,D,E),G,H).
verb_form(B,C,D,_E,F,G,H,I) :-
   terminal(J,F,G,H,I),
   verb_form(J,B,C,D).


neg(B,C,D,D,E,F) :-
   virtual(neg(B,C),E,F).
neg(aux+_B,neg,C,D,E,F) :-
   '`'(not,C,D,E,F).
neg(_B,pos,C,C,D,D).


fronted_verb(B,C,D,E,F,x(gap,nonterminal,verb_form(G,H,I,J),
        
 x(nogap,nonterminal,neg(_K,L),M))) :-
   verb_form(G,H,I,_N,D,O,F,P),
   verb_type(G,aux+_Q),
   role(B,J,C),
   neg(_R,L,O,E,P,M).


imperative(imp(B),C,D,E,F) :-
   imperative_verb(C,G,E,H),
   s(B,_I,G,D,H,F).


imperative_verb(B,C,D,x(nogap,terminal,you,x(nogap,nonterminal,
        verb_form(E,imp+fin,2+sin,main),F))) :-
   verb_form(E,inf,_G,_H,B,C,D,F).


s(s(B,C,D,E),F,G,H,I,J) :-
   subj(B,K,L,G,M,I,N),
   verb(C,K,L,O,M,P,N,Q),
   empty(R),
   s_all(S),
   verb_args(L,O,D,R,T,P,U,Q,V),
   minus(S,T,W),
   myplus(S,T,X),
   verb_mods(E,W,X,F,U,H,V,J).


subj(there,_B,_C+be,D,E,F,G) :-
   '`'(there,D,E,F,G).
subj(B,C,_D,E,F,G,H) :-
   s_all(I),
  
 subj_case(J),
   np(B,C,J,_K,subj,I,_L,E,F,G,H).


np_head(B,C,D,E,F,G,H,I,J) :-
   np_head0(K,L,M,G,N,I,O),
   possessive(K,L,M,P,P,B,C,D,E,F,N,H,O,J).


np_head0(B,C,D,E,E,F,G) :-
   virtual(np_head0(B,C,D),F,G).
np_head0(name(B),3+sin,def+proper,C,D,E,F) :-
   name(B,C,D,E,F).
np_head0(np_head(B,C,D),3+E,F+common,G,H,I,J) :-
   determiner(B,E,F,G,K,I,L),
   adjs(C,K,M,L,N),
   noun(D,E,M,H,N,J).
np_head0(B,C,def+proper,D,E,F,x(nogap,nonterminal,gen_marker,G)) :-
   poss_pron(B,C,D,E,F,G).
np_head0(np_head(B,[],C),3+sin,indef+common,D,E,F,G) :-
   quantifier_pron(B,C,D,E,F,G).


np_compls(proper,_B,_C,[],_D,E,F,F,G,G) :-
   empty(E).
np_compls(common,B,C,D,E,F,G,H,I,J) :-
   np_all(K),
   np_mods(B,C,L,D,E,M,K,N,G,O,I,P),
  
 relative(B,L,M,N,F,O,H,P,J).


possessive(B,C,_D,[],E,F,G,H,I,J,K,L,M,N) :-
   gen_case(K,O,M,P),
   np_head0(Q,R,S,O,T,P,U),
   possessive(Q,R,S,V,[pp(poss,np(C,B,E))|V],F,G,H,I,J,T,L,U,N).
possessive(B,C,D,E,F,B,C,D,E,F,G,G,H,H).


gen_case(B,C,D,x(nogap,terminal,the,E)) :-
   gen_marker(B,C,D,E).


an_s(B,C,D,E) :-
   '`'(s,B,C,D,E).
an_s(B,B,C,C).


determiner(B,C,D,E,F,G,H) :-
   det(B,C,D,E,F,G,H).
determiner(B,C,D,E,F,G,H) :-
   quant_phrase(B,C,D,E,F,G,H).


quant_phrase(quant(B,C),D,E,F,G,H,I) :-
   quant(B,E,F,J,H,K),
   number(C,D,J,G,K,I).


quant(B,indef,C,D,E,F) :-
   neg_adv(G,B,C,H,E,I),
   comp_adv(G,H,J,I,K),
   '`'(than,J,D,K,F).
quant(B,indef,C,D,E,F) :-
   '`'(at,C,G,E,H),
  
 sup_adv(I,G,D,H,F),
   sup_op(I,B).
quant(the,def,B,C,D,E) :-
   '`'(the,B,C,D,E).
quant(same,indef,B,B,C,C).


neg_adv(B,not+B,C,D,E,F) :-
   '`'(not,C,D,E,F).
neg_adv(B,B,C,C,D,D).


sup_op(least,not+less).
sup_op(most,not+more).


np_mods(B,C,D,[E|F],G,H,_I,J,K,L,M,N) :-
   np_mod(B,C,E,G,O,K,P,M,Q),
   tracee(R),
   myplus(R,O,S),
   minus(G,S,T),
   myplus(O,G,U),
   np_mods(B,C,D,F,T,H,U,J,P,L,Q,N).
np_mods(_B,_C,D,D,E,E,F,F,G,G,H,H).


np_mod(_B,C,D,E,F,G,H,I,J) :-
   pp(D,C,E,F,G,H,I,J).
np_mod(B,_C,D,E,F,G,H,I,J) :-
   reduced_relative(B,D,E,F,G,H,I,J).


verb_mods([B|C],D,_E,F,G,H,I,J) :-
   verb_mod(B,D,K,G,L,I,M),
   tracee(N),
   myplus(N,K,O),
   minus(D,O,P),
   myplus(K,D,Q),
  
 verb_mods(C,P,Q,F,L,H,M,J).
verb_mods([],_B,C,C,D,D,E,E).


verb_mod(B,C,D,E,F,G,H) :-
   adv_phrase(B,C,D,E,F,G,H).
verb_mod(B,C,D,E,F,G,H) :-
   is_adv(C),
   adverb(B,E,F,G,H),
   empty(D).
verb_mod(B,C,D,E,F,G,H) :-
   pp(B,compl,C,D,E,F,G,H).


adjs([B|C],D,E,F,G) :-
   pre_adj(B,D,H,F,I),
   adjs(C,H,E,I,G).
adjs([],B,B,C,C).


pre_adj(B,C,D,E,F) :-
   adj(_G,B,C,D,E,F).
pre_adj(B,C,D,E,F) :-
   sup_phrase(B,C,D,E,F).


sup_phrase(sup(most,B),C,D,E,F) :-
   sup_adj(B,C,D,E,F).
sup_phrase(sup(B,C),D,E,F,G) :-
   sup_adv(B,D,I,F,J),
   adj(quant,C,I,E,J,G).


comp_phrase(comp(B,C,D),E,F,G,H,I) :-
   comp(B,C,F,J,H,K),
   np_no_tracee(L),
   prep_case(M),
  
 np(D,_N,M,_O,compl,L,E,J,G,K,I).


comp(B,C,D,E,F,G) :-
   comp_adv(B,D,H,F,I),
   adj(quant,C,H,J,I,K),
   '`'(than,J,E,K,G).
comp(more,B,C,D,E,F) :-
   rel_adj(B,C,G,E,H),
   '`'(than,G,D,H,F).
comp(same,B,C,D,E,F) :-
   '`'(as,C,G,E,H),
   adj(quant,B,G,I,H,J),
   '`'(as,I,D,J,F).


relative(B,[C],D,_E,F,G,H,I,J) :-
   is_pred(D),
   rel_conj(B,_K,C,F,G,H,I,J).
relative(_B,[],_C,D,D,E,E,F,F).


rel_conj(B,C,D,E,F,G,H,I) :-
   rel(B,J,K,F,L,H,M),
   rel_rest(B,C,J,D,K,E,L,G,M,I).


rel_rest(B,C,D,E,_F,G,H,I,J,K) :-
   conj(C,L,D,M,E,H,N,J,O),
   rel_conj(B,L,M,G,N,I,O,K).
rel_rest(_B,_C,D,D,E,E,F,F,G,G).


rel(B,rel(C,D),E,F,G,H,I) :-
   openn(F,J,H,K),
   variable(B,C,J,L,K,M),
  
 s(D,N,L,O,M,P),
   tracee(Q),
   minus(N,Q,E),
   close(O,G,P,I).


variable(B,C,D,E,F,x(gap,nonterminal,np(np(B,wh(C),[]),B,_G,_H,_I,J,K),L)) :-
   '`'(that,D,E,F,L),
   tracee(J,K).
variable(B,C,D,E,F,x(gap,nonterminal,np(G,H,I,_J,_K,L,M),N)) :-
   wh(C,B,G,H,I,D,E,F,N),
   tracee(L,M).
variable(B,C,D,E,F,x(gap,nonterminal,pp(pp(G,H),compl,I,J),K)) :-
   prep(G,D,L,F,M),
   wh(C,B,H,_N,O,L,E,M,K),
   tracee(I,J),
   compl_case(O).


wh(B,C,np(C,wh(B),[]),C,D,E,F,G,H) :-
   rel_pron(I,E,F,G,H),
   role(I,decl,D).
wh(B,C,np(D,E,[pp(F,G)]),D,_H,I,J,K,L) :-
   np_head0(E,D,_M+common,I,N,K,O),
   prep(F,N,P,O,Q),
   wh(B,C,G,_R,_S,P,J,Q,L).
wh(B,C,D,E,F,G,H,I,J) :-
   whose(B,C,G,K,I,L),
   s_all(M),
  
 np(D,E,F,def,subj,M,_N,K,H,L,J).


reduced_relative(B,C,D,E,F,G,H,I) :-
   is_pred(D),
   reduced_rel_conj(B,_J,C,E,F,G,H,I).


reduced_rel_conj(B,C,D,E,F,G,H,I) :-
   reduced_rel(B,J,K,F,L,H,M),
   reduced_rel_rest(B,C,J,D,K,E,L,G,M,I).


reduced_rel_rest(B,C,D,E,_F,G,H,I,J,K) :-
   conj(C,L,D,M,E,H,N,J,O),
   reduced_rel_conj(B,L,M,G,N,I,O,K).
reduced_rel_rest(_B,_C,D,D,E,E,F,F,G,G).


reduced_rel(B,reduced_rel(C,D),E,F,G,H,I) :-
   openn(F,J,H,K),
   reduced_wh(B,C,J,L,K,M),
   s(D,N,L,O,M,P),
   tracee(Q),
   minus(N,Q,E),
   close(O,G,P,I).


reduced_wh(B,C,D,E,F,x(nogap,nonterminal,
       np(np(B,wh(C),[]),B,G,_H,_I,J,K),x(nogap,nonterminal,
      
 verb_form(be,pres+fin,B,main),x(nogap,nonterminal,
       neg(_L,M),x(nogap,nonterminal,predicate(M,N,O),P))))) :-
   neg(_Q,M,D,R,F,S),
   predicate(M,N,O,R,E,S,P),
   tracee(J,K),
   subj_case(G).
reduced_wh(B,C,D,E,F,x(nogap,nonterminal,
       np(np(B,wh(C),[]),B,G,_H,_I,J,K),x(nogap,nonterminal,
       verb(L,_M,N,O),P))) :-
   participle(L,N,O,D,E,F,P),
   tracee(J,K),
   subj_case(G).
reduced_wh(B,C,D,E,F,x(nogap,nonterminal,
       np(G,H,I,J,_K,L,M),x(gap,nonterminal,
       np(np(B,wh(C),[]),B,N,_O,_P,Q,R),S))) :-
   s_all(T),
   subj_case(I),
   verb_case(N),
   np(G,H,_U,J,subj,T,_V,D,E,F,S),
   tracee(L,M),
  
 tracee(Q,R).


verb(B,C,D,E,F,F,G,H) :-
   virtual(verb(B,C,D,E),G,H).
verb(verb(B,C,D+fin,E,F),G,H,C,I,J,K,L) :-
   verb_form(M,D+fin,G,N,I,O,K,P),
   verb_type(M,Q),
   neg(Q,F,O,R,P,S),
   rest_verb(N,M,B,C,E,R,J,S,L),
   verb_type(B,H).


rest_verb(aux,have,B,C,[perf|D],E,F,G,H) :-
   verb_form(I,past+part,_J,_K,E,L,G,M),
   have(I,B,C,D,L,F,M,H).
rest_verb(aux,be,B,C,D,E,F,G,H) :-
   verb_form(I,J,_K,_L,E,M,G,N),
   be(J,I,B,C,D,M,F,N,H).
rest_verb(aux,do,B,active,[],C,D,E,F) :-
   verb_form(B,inf,_G,_H,C,D,E,F).
rest_verb(main,B,B,active,[],C,C,D,D).


have(be,B,C,D,E,F,G,H) :-
   verb_form(I,J,_K,_L,E,M,G,N),
   be(J,I,B,C,D,M,F,N,H).
have(B,B,active,[],C,C,D,D).


be(past+part,B,B,passive,[],C,C,D,D).
be(pres+part,B,C,D,[prog],E,F,G,H)
 :-
   passive(B,C,D,E,F,G,H).


passive(be,B,passive,C,D,E,F) :-
   verb_form(B,past+part,_G,_H,C,D,E,F),
   verb_type(B,I),
   passive(I).
passive(B,B,active,C,C,D,D).


participle(verb(B,C,inf,D,E),F,C,G,H,I,J) :-
   neg(_K,E,G,L,I,M),
   verb_form(B,N,_O,_P,L,H,M,J),
   participle(N,C,D),
   verb_type(B,F).


passive(_B+trans).
passive(_B+ditrans).


participle(pres+part,active,[prog]).
participle(past+part,passive,[]).


close(B,B,C,D) :-
   virtual(close,C,D).


openn(B,B,C,x(gap,nonterminal,close,C)).


verb_args(_B+C,D,E,F,G,H,I,J,K) :-
   advs(E,L,_M,H,N,J,O),
   verb_args(C,D,L,F,G,N,I,O,K).
verb_args(trans,active,[arg(dir,B)],_C,D,E,F,G,H) :-
   verb_arg(np,B,D,E,F,G,H).
verb_args(ditrans,_B,[arg(C,D)|E],_F,G,H,I,J,K)
 :-
   verb_arg(np,D,L,H,M,J,N),
   object(C,E,L,G,M,I,N,K).
verb_args(be,_B,[void],C,C,D,E,F,G) :-
   terminal(there,D,E,F,G).
verb_args(be,_B,[arg(predicate,C)],_D,E,F,G,H,I) :-
   pred_conj(_J,C,E,F,G,H,I).
verb_args(be,_B,[arg(dir,C)],_D,E,F,G,H,I) :-
   verb_arg(np,C,E,F,G,H,I).
verb_args(have,active,[arg(dir,B)],_C,D,E,F,G,H) :-
   verb_arg(np,B,D,E,F,G,H).
verb_args(B,_C,[],D,D,E,E,F,F) :-
   no_args(B).


object(B,C,D,E,F,G,H,I) :-
   adv(J),
   minus(J,D,K),
   advs(C,L,K,F,M,H,N),
   obj(B,L,D,E,M,G,N,I).


obj(ind,[arg(dir,B)],_C,D,E,F,G,H) :-
   verb_arg(np,B,D,E,F,G,H).
obj(dir,[],B,B,C,C,D,D).


pred_conj(B,C,D,E,F,G,H) :-
   predicate(_I,J,K,E,L,G,M),
   pred_rest(B,J,C,K,D,L,F,M,H).


pred_rest(B,C,D,_E,F,G,H,I,J)
 :-
   conj(B,K,C,L,D,G,M,I,N),
   pred_conj(K,L,F,M,H,N,J).
pred_rest(_B,C,C,D,D,E,E,F,F).


verb_arg(np,B,C,D,E,F,G) :-
   s_all(H),
   verb_case(I),
   np(B,_J,I,_K,compl,H,C,D,E,F,G).


advs([B|C],D,E,F,G,H,I) :-
   is_adv(E),
   adverb(B,F,J,H,K),
   advs(C,D,E,J,G,K,I).
advs(B,B,_C,D,D,E,E).


adj_phrase(B,C,D,E,F,G) :-
   adj(_H,B,D,E,F,G),
   empty(C).
adj_phrase(B,C,D,E,F,G) :-
   comp_phrase(B,C,D,E,F,G).


no_args(trans).
no_args(ditrans).
no_args(intrans).


conj(conj(B,C),conj(B,D),E,F,conj(B,E,F),G,H,I,J) :-
   conj(B,C,D,G,H,I,J).


noun(B,C,D,E,F,G) :-
   terminal(H,D,E,F,G),
   noun_form(H,B,C).


adj(B,adj(C),D,E,F,G) :-
   terminal(C,D,E,F,G),
  
 adj(C,B).


prep(prep(B),C,D,E,F) :-
   terminal(B,C,D,E,F),
   prep(B).


rel_adj(adj(B),C,D,E,F) :-
   terminal(G,C,D,E,F),
   rel_adj(G,B).


sup_adj(adj(B),C,D,E,F) :-
   terminal(G,C,D,E,F),
   sup_adj(G,B).


comp_adv(less,B,C,D,E) :-
   '`'(less,B,C,D,E).
comp_adv(more,B,C,D,E) :-
   '`'(more,B,C,D,E).


sup_adv(least,B,C,D,E) :-
   '`'(least,B,C,D,E).
sup_adv(most,B,C,D,E) :-
   '`'(most,B,C,D,E).


rel_pron(B,C,D,E,F) :-
   terminal(G,C,D,E,F),
   rel_pron(G,B).


name(B,C,D,E,F) :-
   opt_the(C,G,E,H),
   terminal(B,G,D,H,F),
   name(B).


int_art(B,plu,quant(same,wh(B)),C,D,E,F) :-
   '`'(how,C,G,E,H),
   '`'(many,G,D,H,F).
int_art(B,C,D,E,F,G,H) :-
  
 terminal(I,E,F,G,H),
   int_art(I,B,C,D).


int_pron(B,C,D,E,F) :-
   terminal(G,C,D,E,F),
   int_pron(G,B).


adverb(adv(B),C,D,E,F) :-
   terminal(B,C,D,E,F),
   adverb(B).


poss_pron(pronoun(B),C+D,E,F,G,H) :-
   terminal(I,E,F,G,H),
   poss_pron(I,B,C,D).


pers_pron(pronoun(B),C+D,E,F,G,H,I) :-
   terminal(J,F,G,H,I),
   pers_pron(J,B,C,D,E).


quantifier_pron(B,C,D,E,F,G) :-
   terminal(H,D,E,F,G),
   quantifier_pron(H,B,C).


context_pron(prep(in),place,B,C,D,E) :-
   '`'(where,B,C,D,E).
context_pron(prep(at),time,B,C,D,E) :-
   '`'(when,B,C,D,E).


number(nb(B),C,D,E,F,G) :-
   terminal(H,D,E,F,G),
   number(H,B,C).


terminator(B,C,D,E,F) :-
   terminal(G,C,D,E,F),
  
 terminator(G,B).


opt_the(B,B,C,C).
opt_the(B,C,D,E) :-
   '`'(the,B,C,D,E).


conj(_B,list,list,C,D,E,F) :-
   terminal(',',C,D,E,F).
conj(B,list,'end',C,D,E,F) :-
   terminal(B,C,D,E,F),
   conj(B).


loc_pred(B,C,D,E,F) :-
   terminal(G,C,D,E,F),
   loc_pred(G,B).


'`'(B,C,D,E,F) :-
   terminal(B,C,D,E,F),
   '`'(B).


%----------------------------------------------------------------------------
%
%  newdic
%
%----------------------------------------------------------------------------

word(Word) :- '`'(Word).
word(Word) :- conj(Word).
word(Word) :- adverb(Word).
word(Word) :- sup_adj(Word,_).
word(Word) :- rel_adj(Word,_).
word(Word) :- adj(Word,_).
word(Word) :- name(Word).
word(Word) :- terminator(Word,_).
word(Word) :- pers_pron(Word,_,_,_,_).
word(Word) :-
 poss_pron(Word,_,_,_).
word(Word) :- rel_pron(Word,_).
word(Word) :- verb_form(Word,_,_,_).
word(Word) :- noun_form(Word,_,_).
word(Word) :- prep(Word).
word(Word) :- quantifier_pron(Word,_,_).
word(Word) :- number(Word,_,_).
word(Word) :- det(Word,_,_,_).
word(Word) :- int_art(Word,_,_,_).
word(Word) :- int_pron(Word,_).
word(Word) :- loc_pred(Word,_).

'`'(how).
'`'(whose).
'`'(there).
'`'(of).
'`'('`').        % use ` instead of ' to help assembler
'`'(',').   
 
'`'(s).
'`'(than).
'`'(at).
'`'(the).
'`'(not).
'`'(as).
'`'(that).
'`'(less).
'`'(more).
'`'(least).
'`'(most).
'`'(many).
'`'(where).
'`'(when).

conj(and).
conj(or).

int_pron(what,undef).
int_pron(which,undef).
int_pron(who,subj).
int_pron(whom,compl).

int_art(what,X,_,int_det(X)).
int_art(which,X,_,int_det(X)).

det(the,No,the(No),def).
det(a,sin,a,indef).
det(an,sin,a,indef).
det(every,sin,every,indef).
det(some,_,some,indef).
det(any,_,any,indef).
det(all,plu,all,indef).
det(each,sin,each,indef).
det(no,_,no,indef).

number(W,I,Nb) :-
   tr_number(W,I),
  
 ag_number(I,Nb).

tr_number(nb(I),I).
tr_number(one,1).
tr_number(two,2).
tr_number(three,3).
tr_number(four,4).
tr_number(five,5).
tr_number(six,6).
tr_number(seven,7).
tr_number(eight,8).
tr_number(nine,9).
tr_number(ten,10).

ag_number(1,sin).
ag_number(N,plu) :- N>1.

quantifier_pron(everybody,every,person).
quantifier_pron(everyone,every,person).
quantifier_pron(everything,every,thing).
quantifier_pron(somebody,some,person).
quantifier_pron(someone,some,person).
quantifier_pron(something,some,thing).
quantifier_pron(anybody,any,person).
quantifier_pron(anyone,any,person).
quantifier_pron(anything,any,thing).
quantifier_pron(nobody,no,person).
quantifier_pron(nothing,no,thing).

prep(as).
prep(at).
prep(of).
prep(to).
prep(by).
prep(with).
prep(in).
prep(on).
prep(from).
prep(into).
prep(through).

noun_form(Plu,Sin,plu) :-
 noun_plu(Plu,Sin).
noun_form(Sin,Sin,sin) :-
 noun_sin(Sin).
noun_form(proportion,proportion,_).
noun_form(percentage,percentage,_).

root_form(1+sin).
root_form(2+_).
root_form(1+plu).
root_form(3+plu).

verb_root(be).
verb_root(have).
verb_root(do).
verb_root(border).
verb_root(contain).
verb_root(drain).
verb_root(exceed).
verb_root(flow).
verb_root(rise).

regular_pres(have).
regular_pres(do).
regular_pres(rise).
regular_pres(border).
regular_pres(contain).
regular_pres(drain).
regular_pres(exceed).
regular_pres(flow).

regular_past(had,have).
regular_past(bordered,border).
regular_past(contained,contain).
regular_past(drained,drain).
regular_past(exceeded,exceed).
regular_past(flowed,flow).

rel_pron(who,subj).
rel_pron(whom,compl).
rel_pron(which,undef).

poss_pron(my,_,1,sin).
poss_pron(your,_,2,_).
poss_pron(his,masc,3,sin).
poss_pron(her,fem,3,sin).
poss_pron(its,neut,3,sin).
pos
s_pron(our,_,1,plu).
poss_pron(their,_,3,plu).

pers_pron(i,_,1,sin,subj).
pers_pron(you,_,2,_,_).
pers_pron(he,masc,3,sin,subj).
pers_pron(she,fem,3,sin,subj).
pers_pron(it,neut,3,sin,_).
pers_pron(we,_,1,plu,subj).
pers_pron(them,_,3,plu,subj).
pers_pron(me,_,1,sin,compl(_)).
pers_pron(him,masc,3,sin,compl(_)).
pers_pron(her,fem,3,sin,compl(_)).
pers_pron(us,_,1,plu,compl(_)).
pers_pron(them,_,3,plu,compl(_)).

terminator(.,_).
terminator(?,?).
terminator(!,!).

name(_).

% ===========================================================================

% specialised
 dictionary

loc_pred(east,prep(eastof)).
loc_pred(west,prep(westof)).
loc_pred(north,prep(northof)).
loc_pred(south,prep(southof)).

adj(minimum,restr).
adj(maximum,restr).
adj(average,restr).
adj(total,restr).
adj(african,restr).
adj(american,restr).
adj(asian,restr).
adj(european,restr).
adj(great,quant).
adj(big,quant).
adj(small,quant).
adj(large,quant).
adj(old,quant).
adj(new,quant).
adj(populous,quant).

rel_adj(greater,great).
rel_adj(less,small).
rel_adj(bigger,big).
rel_adj(smaller,small).
rel_adj(larger,large).
rel_adj(older,old).
rel_adj(newer,new).

sup_adj(biggest,big).
sup_adj(smallest,small).
sup_adj(largest,large).
sup_adj(oldest,old).
sup_adj(newest,new).

noun_sin(average).
noun_sin(total).
noun_sin(sum).
noun_sin(degree).
noun_sin(sqmile).
noun_sin(ksqmile).
noun_sin(thousand).
noun_sin(million).
noun_sin(time).
noun_
sin(place).
noun_sin(area).
noun_sin(capital).
noun_sin(city).
noun_sin(continent).
noun_sin(country).
noun_sin(latitude).
noun_sin(longitude).
noun_sin(ocean).
noun_sin(person).
noun_sin(population).
noun_sin(region).
noun_sin(river).
noun_sin(sea).
noun_sin(seamass).
noun_sin(number).
noun_sin(paula).
noun_sin(don).
noun_sin(karen).
noun_sin(matthew).
noun_sin(david).
noun_sin(cameron).
noun_sin(andrew).
noun_sin(caley).
noun_sin(joey).
noun_sin(andria).
noun_sin(joy).
noun_sin(katherine).
noun_sin(pammy).
noun_sin(fred).
noun_sin(autumn).
noun_sin(larry).
noun_sin(mike).
noun_sin(clair).
noun_sin(brandon).
noun_sin(eric).
noun_sin(louise).
noun_sin(paul).
noun_sin(bill).
noun_sin(bubba).
noun_sin(ernie).
noun_sin(ray).

noun_plu(averages,average).
noun_plu(totals,total).
noun_plu(sums,sum).
noun_plu(degrees,degree).
noun_plu(sqmiles
,sqmile).
noun_plu(ksqmiles,ksqmile).
noun_plu(million,million).
noun_plu(thousand,thousand).
noun_plu(times,time).
noun_plu(places,place).
noun_plu(areas,area).
noun_plu(capitals,capital).
noun_plu(cities,city).
noun_plu(continents,continent).
noun_plu(countries,country).
noun_plu(latitudes,latitude).
noun_plu(longitudes,longitude).
noun_plu(oceans,ocean).
noun_plu(persons,person).  noun_plu(people,person).
noun_plu(populations,population).
noun_plu(regions,region).
noun_plu(rivers,river).
noun_plu(seas,sea).
noun_plu(seamasses,seamass).
noun_plu(numbers,number).

verb_form(V,V,inf,_) :- verb_root(V).
verb_form(V,V,pres+fin,Agmt) :-
   regular_pres(V),
   root_form(Agmt),
   verb_root(V).
verb_form(Past,Root,past+_,_) :-
  
 regular_past(Past,Root).

verb_form(am,be,pres+fin,1+sin).
verb_form(are,be,pres+fin,2+sin).
verb_form(is,be,pres+fin,3+sin).
verb_form(are,be,pres+fin,_+plu).
verb_form(was,be,past+fin,1+sin).
verb_form(were,be,past+fin,2+sin).
verb_form(was,be,past+fin,3+sin).
verb_form(were,be,past+fin,_+plu).
verb_form(been,be,past+part,_).
verb_form(being,be,pres+part,_).
verb_form(has,have,pres+fin,3+sin).
verb_form(having,have,pres+part,_).
verb_form(does,do,pres+fin,3+sin).
verb_form(did,do,past+fin,_).
verb_form(doing,do,pres+part,_).
verb_form(done,do,past+part,_).
verb_form(flows,flow,pres+fin,3+sin).
verb_form(flowing,flow,pres+part,_).
verb_form(rises,rise,pres+fin,3+sin).
verb_form(rose,rise,past+fin,_).
verb_form(risen,rise,past+part,_).
verb_form(borders,border,pres+fin,3+sin).
verb_form(bordering,border,pres+part,_).
verb_form(contains,contain,pres+fin,3+sin).
verb_form(containing,contain,pres+pa
rt,_).
verb_form(drains,drain,pres+fin,3+sin).
verb_form(draining,drain,pres+part,_).
verb_form(exceeds,exceed,pres+fin,3+sin).
verb_form(exceeding,exceed,pres+part,_).

verb_type(have,aux+have).
verb_type(be,aux+be).
verb_type(do,aux+ditrans).
verb_type(rise,main+intrans).
verb_type(border,main+trans).
verb_type(contain,main+trans).
verb_type(drain,main+intrans).
verb_type(exceed,main+trans).
verb_type(flow,main+intrans).

adverb(yesterday).
adverb(tomorrow).

% benchmark interface

benchmark(ShowResult) :-
    chat_parser(ShowResult).

:- include(common).

---

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