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: John is leaving but Mary's not.
Example Output: 1

Example Input: Brenda and Molly haggled about the party.
Example Output: 1

Example Input: Benjamin said he would give the cloak to Lee and give the cloak he did to Lee.
Example Output:
0