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'.

[EX Q]: The average age at which people begin to need eyeglasses vary considerably.
[EX A]: 0

[EX Q]: Himself laughs.
[EX A]: 0

[EX Q]: He washed me.
[EX A]:
1