You will be given a sentence. Check whether the sentence is grammatically correct and is meaningful. If the sentence is grammatically correct, then answer with '1', otherwise answer with '0'.
--------
Question: If Ron knows whether to wear a tuxedo, and Caspar knows whether not to, do they know different things?

Answer: 1


Question: Donny is likely that left.

Answer: 0


Question: It was John Bill that were waiting at the restaurant.

Answer:
0