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: Nixon's behavior gave Mailer an idea for a book.

SOLUTION: 1

PROBLEM: Jennie smiled the sandwich.

SOLUTION: 0

PROBLEM: Joe will go to the store, even though Fred already has.

SOLUTION:
1