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: Lilly recounted a story to remember because Holly had also recounted a story to.
Example Output: 0

Example Input: A proof was given that the claim that John had lied had been made.
Example Output: 1

Example Input: I know a man who hates me.
Example Output:
1