Q: Valid English sentence (grammatically) or not: The politician perjured his aide.
OPTIONS:
- unacceptable
- acceptable

A: unacceptable

Q: Valid English sentence (grammatically) or not: He looked it up
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: John could not visit Sally.
OPTIONS:
- unacceptable
- acceptable

A:
acceptable