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: It's the idea that perfect competition might be just around the corner, not the competition itself, that keeps the paranoid prosperous. Sentence 2: This is talking about a soccer game.
[EX A]: no

[EX Q]: Sentence 1: On the other hand, the Enron situation involved complex transactions with a number of parties and a now apparent weakness in current generally accepted accounting principles. Sentence 2: Enron involved just two parties.
[EX A]: yes

[EX Q]: Sentence 1: He lowered his head. Sentence 2: He put his head down.
[EX A]:
yes