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: The curtain which Fred tore in rolling up was the kind gift of my maternal Aunt Priscilla.
Example Output: 1

Example Input: We persuaded the dentist to examine ourselves.
Example Output: 0

Example Input: Bill likes herself.
Example Output:
0