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: It never occurred to Harvey because he is insensitive to other people's desires that, I might want to leave.
Example Output: 0

Example Input: This key won't open the Jock.
Example Output: 1

Example Input: Paula swatted flies.
Example Output:
1