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:
The sky cleared.
answer:
1


question:
It is important to be more careful, the more you eat.
answer:
1


question:
A friend of mine who was working in Europe and a girl met in Vienna who was from his home town.
answer:

0