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]: That the sun was out is obvious.
[EX A]: 1

[EX Q]: We would prefer John to be the candidate.
[EX A]: 1

[EX Q]: Mary laughed at John.
[EX A]:
1