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 clown's antics amused the children.
answer:
1


question:
Joan knew the answer.
answer:
1


question:
Bill left when everyone will believe that the police have forced me to confess that I shot Sandra.
answer:

1