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:
Willy is taller than I know a boy who is.
answer:
0


question:
John believes Sally to be polite.
answer:
1


question:
Pat wanted to go to Berne, and Chris going to Rome.
answer:

0