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 Input:
Linda winked his eye.

Ex Output:
0

Ex Input:
If Ron knows whether to wear a tuxedo, and Caspar knows whether not to, do they know different things?

Ex Output:
1

Ex Input:
The clown amused the little children.

Ex Output:
1