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: The average age at which people begin to need eyeglasses vary considerably.

A: 0
****
Q: His girlfriend bought this computer for him.

A: 1
****
Q: The farm finally got to John after much litigation.

A:
1
****
