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'.

Example Input: Willy is taller than I know a boy who is.
Example Output: 0

Example Input: I have a feeling the company will squander the money.
Example Output: 1

Example Input: We gave every senator enough opportunity and, sure enough, he succumbed to corruption.
Example Output:
0