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]: Which hat do you believe that she never wore?
[EX A]: 1

[EX Q]: The rope stretched over the pulley.
[EX A]: 1

[EX Q]: He washed ourselves.
[EX A]:
0