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: John will study syntax, and Mary, too.
Example Output: 1

Example Input: I will if I can work on it.
Example Output: 0

Example Input: He told Peter that I know a taller man than John, but Peter didn't believe it.
Example Output:
1