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]: He liked Anson.
[A]: 0


[Q]: I insist on seeing through all the students who had started out the term in my class.
[A]:
0