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: Bill urinated out the window.
Example Output: 1

Example Input: The boy whose uncle and Tom's aunt's grandmother were kissing was furious.
Example Output: 0

Example Input: He is the happiest that it is believed that he has ever been.
Example Output:
1