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: Suddenly an ugly old man entered the hall.

SOLUTION: 1

PROBLEM: The fence straddles the sidewalk.

SOLUTION: 1

PROBLEM: I deny that that Bob has any money is certain.

SOLUTION:
0