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: At the same time, there are other key assumptions that EPA adopted to facilitate the evaluation of the four scenarios. Sentence 2: The EPA assumed nothing; all its operations are based in science.
Example Output: yes

Example Input: Sentence 1: uh-huh uh-huh really oh i'm glad my husband's not like that Sentence 2: My husband is exactly like that too, ugh.
Example Output: yes

Example Input: Sentence 1: birds you know this is too much work Sentence 2: Birds aren't much work. 
Example Output:
yes