instruction: Is the next sentence syntactically and semantically acceptable?

It was John that was waiting at the restaurant.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Surprised me that you came early.
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I sent the salesman to the devil.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Strings have been pulled many times to get students into that university.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable