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'.

[EX Q]: The book to whom did you give.
[EX A]: 0

[EX Q]: Americans have paying income tax ever since 1913.
[EX A]: 0

[EX Q]: They read the book.
[EX A]:
1