Q: Valid English sentence (grammatically) or not: The crew has both agreed to change sponsor.
OPTIONS:
- unacceptable
- acceptable

A: unacceptable

Q: Valid English sentence (grammatically) or not: I explained how we should fix the sink.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: Cornelia lodged at Mrs. Parker's.
OPTIONS:
- unacceptable
- acceptable

A:
acceptable