instruction: Is the next sentence syntactically and semantically acceptable?

Maxwell isn't half the doctor that polished off the vodka.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

We peered into the closet.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The room contains little armchair.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

A cat jumped on the table.

response:
acceptable