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: Matthew: The political use of a gay man's gruesome death. Sentence 2: The deaths of gay men are becoming too politicized nowadays.
Example Output: no

Example Input: Sentence 1: you know which maybe i'm being a little bit too harsh but but if they need something i buy it for them Sentence 2: I would never buy them anything they need.
Example Output: yes

Example Input: Sentence 1: Microsoft Senior Vice President Bill Neukom added, We've always competed fairly, and we will continue to do that. Sentence 2: Microsoft says they don't compete fairly.
Example Output:
yes