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: I want it to remain a secret that Bill left.

Answer: 1


Question: Susan gave the ball halfway to Bill.

Answer: 0


Question: Sally might be pregnant, and I know a girl who definitely is pregnant.

Answer:
1