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'.

Q: Tabs try to be kept on Bob by the FBI.

A: 0
****
Q: I hit the ball.

A: 1
****
Q: The boy whose guardian's employee we elected president betrayed us.

A:
1
****