instruction: Is the next sentence syntactically and semantically acceptable?

Who do you think borrowed my book?
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The more contented I laughed at the nurse who thought that we were becoming, the more angry we grew at the doctors.
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The only offer of which I plan to take advantage will give me an eleven month paid vacation.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Poseidon was asleep, when the executioner arrived.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable