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

Answer: 0


Question: Pavarotti relied on Loren and Bond Hepburn.

Answer: 0


Question: Mary loves him.

Answer:
1