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: John is leaving but Mary's not.

SOLUTION: 1

PROBLEM: I went out with a girl who it pleased that John showed up.

SOLUTION: 1

PROBLEM: They, they can't stand each other.

SOLUTION:
0