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'.

Q: Willy is taller than Bill by 7 millimeters.

A: 1
****
Q: The fence straddles the sidewalk.

A: 1
****
Q: If I can, I will work on it.

A:
1
****