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: 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.
Example Output: yes

Example Input: Sentence 1: But not many more. Sentence 2: It's not happening anymore.
Example Output: no

Example Input: Sentence 1: Compliance with these critical factors can increase the likelihood that an acquisition will meet an agency's needs at a reasonable cost and in a timely manner. Sentence 2: Compliance with those critical factors can decrease the likelihood that an acquisition will meet the agency's needs.
Example Output:
yes