code$ swipl -s code_English.prolog 

% Janus 1.5.2 embeds Python 3.13.13 (main, Apr  8 2026, 18:23:14) [Clang 21.0.0 (clang-2100.0.123.102)]

Manual & tutorial: https://sandiway.arizona.edu Sandiway Fong (2024-2026)

Run: ?- parse(List,SO,L). (; for more answers)

  List = [..words] (input), SO,L = syntactic object, [..] spellout (output)

See derivation: ?- report. ?- graph. (<- after parse/3) ?- summary. (short) 

  for a long report ?- retract(no_fill).

LEX expansion: ⒜ WordNet: ?- useMorphy. (noMorphy) 

  assert/retract/?- : use_morphy(C), for C={v,n,a,r}. ⒝ edit lex.prolog

  ⒞ ?- addNoun(Word) (addTr/addUrg/addUnacc/addAdj/addPrep).

Welcome to SWI-Prolog (threaded, 64 bits, version 10.0.2)

SWI-Prolog comes with ABSOLUTELY NO WARRANTY. This is free software.

Please run ?- license. for legal details.

For online help and background, visit https://www.swi-prolog.org

For built-in help, use ?- help(Topic). or ?- apropos(Word).

% Interactive session; added `.` to Python `sys.path`

101 ?- parse([revolutionary,new,ideas,appear,infrequently],S,L).

Words: revolutionary new ideas appear infrequently 

Initial WS: infrequently_v  appear_θ  v_appear:pres  INFL_v  ideas  new_θ  revolutionary_θ  

INT/EXT: {C, {INFL_v, {infrequently_v, {v_appear:pres, {appear_θ, {ideas, {{new_θ, ideas}, {revolutionary_θ, ideas}}}}}}}}

EXT: {new,[and],revolutionary} ideas infrequently 3pl pres appear 

Spellout: {new,[and],revolutionary} ideas infrequently appear 

Blocked: inconsistent with input!

EXT: {new,[and],revolutionary} ideas 3pl pres appear infrequently 

Spellout: {new,[and],revolutionary} ideas appear infrequently 

Parse found! 

S = {C, {INFL_v, {infrequently_v, {v_appear:pres, {appear_θ, {ideas, {{new_θ, ideas}, {revolutionary_θ, ideas}}}}}}}},

L = [[new,[and],revolutionary],ideas,appear,infrequently] ;

EXT: there infrequently 3pl pres appear {new,[and],revolutionary} ideas 

Spellout: there infrequently appear {new,[and],revolutionary} ideas 

Blocked: inconsistent with input!

EXT: there 3pl pres appear {new,[and],revolutionary} ideas infrequently 

Spellout: there appear {new,[and],revolutionary} ideas infrequently 

Blocked: inconsistent with input!

INT/EXT: {C, {INFL_v, {infrequently_v, {v_appear:pres, {appear_θ, {{new_θ, {ideas,{revolutionary_θ:,ideas}}}, {ideas, {revolutionary_θ, ideas}}}}}}}}

INT/EXT: {C, {INFL_v, {infrequently_v, {v_appear:pres, {appear_θ, {{revolutionary_θ, {ideas,{new_θ:,ideas}}}, {ideas, {new_θ, ideas}}}}}}}}

false.

103 ?- report.

REPORT LENGTH: 95

true.