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: Bill didn't confirm that Roger had eaten anything.

SOLUTION: 0

PROBLEM: The one whose I stole bike was John's.

SOLUTION: 0

PROBLEM: It's probable that in general he understands what's going on.

SOLUTION:
1