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.

Input: Consider Input: Sentence 1: oh yeah the economy uh what i was thinking about is an economical issue concerning it uh Sentence 2: It's not an economical issue.

Output: yes


Input: Consider Input: Sentence 1: Fix it, Dave Hanson. Sentence 2: Dave Hanson, you must remedy this.

Output: yes


Input: Consider 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.


Output: no