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: Max offered the victims help, but they refused his offer.
Example Output: 1

Example Input: Mary gets depressed when she listens to the Grateful Dead.
Example Output: 1

Example Input: Kim is fond of Lee.
Example Output:
1