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: Who are you gawking at?

SOLUTION: 1

PROBLEM: Himself laughs.

SOLUTION: 0

PROBLEM: The thief stole the painting for Mr. Smith.

SOLUTION:
1