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]: We loaded ourselves onto the bus.
[EX A]: 1

[EX Q]: Do you know the boy who Mary saw?
[EX A]: 1

[EX Q]: They want to wrote to her.
[EX A]:
0