instruction:
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'.
question:
Fruit at once hit the roof from the tree.
answer:
1


question:
This map is what he wants.
answer:
1


question:
I believe that the problem is not easy to be obvious.
answer:

0