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]: Tom picked these grapes, and I washed these grapes, and Suzie will prepare these grapes.
[EX A]: 1

[EX Q]: Some branches broke off of the tree.
[EX A]: 1

[EX Q]: It was in the park last night that the policeman met several young students.
[EX A]:
0