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: He seems to become more corrupt, the more lobbyists every senator talks to.
Example Output: 0

Example Input: Do you know the boy who Mary saw?
Example Output: 1

Example Input: John sounded happily.
Example Output:
0