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: I'll work on it if no one else had.

SOLUTION: 1

PROBLEM: I don't know the people present.

SOLUTION: 1

PROBLEM: The recession cost my grandfather a raise.

SOLUTION:
1