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: John tries to meet often Mary.
Example Output: 0

Example Input: Mary questioned Joe's desire to eat cabbage, but only after I had questioned Sally's desire to.
Example Output: 0

Example Input: He skated Penny around the rink.
Example Output:
1