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.

Example Input: Sentence 1: Your request is very typical. Sentence 2: The request made by you is very strange.
Example Output: yes

Example Input: 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.
Example Output: no

Example Input: Sentence 1: well i heard it on the news today i could swear it was IBM Sentence 2: I only heard it from my friend today.
Example Output:
yes