Q: Valid English sentence (grammatically) or not: Fabio asked had if Claus run a marathon.
OPTIONS:
- unacceptable
- acceptable

A: unacceptable

Q: Valid English sentence (grammatically) or not: Eat dirt!
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: In front of them happen.
OPTIONS:
- unacceptable
- acceptable

A:
acceptable