Q: Valid English sentence (grammatically) or not: Calvin has dated every girl who Jeff has.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: I inquired John likes his beer.
OPTIONS:
- unacceptable
- acceptable

A: unacceptable

Q: Valid English sentence (grammatically) or not: Who ate what?
OPTIONS:
- unacceptable
- acceptable

A:
acceptable