Q: Valid English sentence (grammatically) or not: John said Martha sang the aria with gusto.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: To whom did you throw the ball?
OPTIONS:
- unacceptable
- acceptable

A: acceptable

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

A:
acceptable