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: His expectations are lower, the higher the stakes are.

SOLUTION: 1

PROBLEM: Carla slid at the book to Dale.

SOLUTION: 0

PROBLEM: The cat was having eaten.

SOLUTION:
0