Basic Parser Operation
((S (TYPE (? X))) -> (VP (TYPE (? X))) (OBJ))
((VP (TYPE LIFT)) -> (VERB (ROOT PICK-UP)))
(GRAB (VERB (ROOT PICK-UP)))
(LIFT (VERB (ROOT PICK-UP)))
(PICK-UP (VERB (ROOT PICK-UP)))
Grammar
Lexicon
(PARSE-SENTENCE
’(LIFT THE GREEN ROCK)
:START-SYMBOL ’S)
Invocation
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