instruction: Is the next sentence syntactically and semantically acceptable?

Peter was at the party
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The person whom they intended to speak with agreed to reimburse us.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Absolutely an owl hunts mice.
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Fred is thinking about whether he should stay in Seoul.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable