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'.

Q: He attributed the fire to a short circuit.

A: 1
****
Q: His second book came out earlier this year and became an instant best-seller.

A: 1
****
Q: She was sent a review copy of the book by the publisher.

A:
1
****