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:
John is leaving but Mary's not.
answer:
1


question:
Willy is taller than Bill by 7 millimeters.
answer:
1


question:
What did you eat some popcorn and drink?
answer:

0