In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to determine if the two sentences clearly agree/disagree with each other, or if this can't be determined. Indicate your answer as yes or no respectively.

[EX Q]: Sentence 1: The fruit and leaves feed crabs whose waste products in turn feed fish, prawns, and mollusks. Sentence 2: Without the crabs' waste, fish, mollusks, and prawns wouldn't have as much food.
[EX A]: no

[EX Q]: Sentence 1: The whole thing's damned awkward!  Sentence 2: The entire situation is uncomfortable.
[EX A]: yes

[EX Q]: Sentence 1: It might not have been perfect. Sentence 2: It wasn't even close to perfect.
[EX A]:
yes