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: I'll work on it if no one else had.
Example Output: 1

Example Input: I heard that John criticized myself.
Example Output: 0

Example Input: This rock is too heavy for us to try to claim that we picked up.
Example Output:
0