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: Remember that contacting legal agencies for pro bono clients can lead to paying work. Sentence 2: Pro bono work never leads to paid positions.
Example Output: yes

Example Input: Sentence 1: yeah really what is that Sentence 2: Is that what it is?
Example Output: no

Example Input: Sentence 1: oh i've never heard of that Sentence 2: I heard of something similar.
Example Output:
no