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: Tuesday was slept on by George Washington.
Example Output: 0

Example Input: Why can't the man who usually cuts the grass do so today?
Example Output: 1

Example Input: Brenda chatted Molly.
Example Output:
0