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]: Who did Athena introduce who to?
[EX A]: 0

[EX Q]: We love they.
[EX A]: 0

[EX Q]: Cats touch easily.
[EX A]:
0