Q: Valid English sentence (grammatically) or not: Heidi investigated to eat the cauliflower.
OPTIONS:
- unacceptable
- acceptable

A: unacceptable

Q: Valid English sentence (grammatically) or not: The umpire fell off it.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: No candidate can predict how many people will vote for him.
OPTIONS:
- unacceptable
- acceptable

A:
acceptable