Q: Valid English sentence (grammatically) or not: The captain sank the boat.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: Susan bought some flowers for her birthday.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: Tatiana wrote to Onegin.
OPTIONS:
- unacceptable
- acceptable

A:
acceptable