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: Who did Athena introduce who to?
Example Output: 0

Example Input: Anson left before Jenny saw himself.
Example Output: 0

Example Input: This nice cake was baked for me by my mother.
Example Output:
1