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: It was this hat that Tom said Al thought you wanted me to make Jack put on.

SOLUTION: 1

PROBLEM: I hit the ball.

SOLUTION: 1

PROBLEM: The paper provides many clues.

SOLUTION:
1