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:
This key won't open the Jock.
answer:
1


question:
The average age at which people begin to need eyeglasses vary considerably.
answer:
0


question:
The kids have all eaten the chocolate.
answer:

1