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: Look here, Tuppence, old girl, what is this going to lead to? Sentence 2: Tuppence, I am not interested in where you think this will lead.
Example Output: yes

Example Input: Sentence 1: They don't hurt you, said Red. Sentence 2: Red stated that they don't hurt you.
Example Output: yes

Example Input: Sentence 1: ARL concluded that to ensure that it had the capability to meet the new challenge and continue to conduct its mission of basic and applied research, it had to work in partnership with universities and the private sector, as well as operate more effectively and efficiently. Sentence 2: Partnering with universities and the private sector add a new depth to their capabilities and validates their findings.
Example Output:
no