TASK DEFINITION: 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'.
PROBLEM: Max offered the victims help, but they refused his offer.

SOLUTION: 1

PROBLEM: John has been captured by the cops and I'm afraid he'll talk.

SOLUTION: 1

PROBLEM: Phineas knows a girl who is behind Maxime.

SOLUTION:
1