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: Fluffy is sick, which it is certain that no one here realizes.
Example Output: 1

Example Input: John read the book loudly.
Example Output:
1