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:
The sign warned against skating on the pond.

Ex Output:
1

Ex Input:
What Mary donated was a lot of money to NPR.

Ex Output:
0

Ex Input:
'' Doing my taxes '' gives a headache to 22 percent of Americans surveyed for Pfizer, which makes tylenol pain relief medicine.

Ex Output:
1