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 Mary see walking toward the railroad station?
Example Output: 1

Example Input: The hat which that I brought seemed strange to the nurse was a fedora.
Example Output: 0

Example Input: Crystal breaks at the slightest touch.
Example Output:
1