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: Most guests will be offended if we don't invite some philosopher.
Example Output: 1

Example Input: We are knowing this theory.
Example Output: 0

Example Input: That that it would confuse the guards for Herschel to throw a fit was obvious is not true.
Example Output:
1