instruction: Is the next sentence syntactically and semantically acceptable?

Bill slowly recited his lines.

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

Sally might have eaten cabbage, but Holly shouldn't.

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

Linda winked his eye.

response: unacceptable


instruction: Is the next sentence syntactically and semantically acceptable?

I believed there to be three books on the subject.

response:
acceptable