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 policeman met several young students in the park last night.
[A]: 1


[Q]: That's a most kind answer that I ever heard.
[A]: 0


[Q]: The guests drank the teapot dry.
[A]:
1