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: The sign warned against skating on the pond.

SOLUTION: 1

PROBLEM: This building is than that one.

SOLUTION: 0

PROBLEM: The umpire called the game off.

SOLUTION:
1