instruction: Is the next sentence syntactically and semantically acceptable?

Tony bent the rod with pliers.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I would prefer that he have not finished.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Carmen bought a dress.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

It was the man I saw that you wanted to meet.

response:
acceptable