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: Kim considered joining the navy, but I never considered.

SOLUTION: 0

PROBLEM: How hard to read the book was it?

SOLUTION: 0

PROBLEM: This hat I know the boy who was wearing.

SOLUTION:
0