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]: Jason whispered the phoenix had escaped
[A]: 0


[Q]: If Ron knows whether to wear a tuxedo, and Caspar knows whether not to, do they know different things?
[A]: 1


[Q]: That informers they never use is claimed by the CIA.
[A]:
0