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'.
--------
Question: the enemy's destruction of the city was horrific.

Answer: 1


Question: Did Merv show up and did you play chess?

Answer: 1


Question: Willy is taller than Bill by more than Joe is taller than Dan.

Answer:
1