instruction: Is the next sentence syntactically and semantically acceptable?

I know.
OPTIONS:
- unacceptable
- acceptable

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

I asked if Medea poisoned Jason.
OPTIONS:
- unacceptable
- acceptable

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

John not leave.
OPTIONS:
- unacceptable
- acceptable

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

Some professor admires every student and hates the dean.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable