instruction: Is the next sentence syntactically and semantically acceptable?

Which trombone did the nurse polish and?

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Jane was playing the piano.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I don't know the people present.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Miss Bates can chatter on for hours.

response:
acceptable