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: Sarah promised her old car to Catherine, but then gave it to her son instead.

SOLUTION: 1

PROBLEM: That the march should go ahead and that it should be cancelled has been argued by different people at different times.

SOLUTION: 0

PROBLEM: I threw the ball to Mary, but she was looking at the birds flying overhead and didn't even notice.

SOLUTION:
1