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.

[EX Q]: 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.
[EX A]: yes

[EX Q]: Sentence 1: yeah really what is that Sentence 2: Is that what it is?
[EX A]: no

[EX Q]: Sentence 1: The walls, from the fifth century a.d. , show the 12 stories of Buddha's enlightenment. Sentence 2: There were no walls that came about in the fifth century.
[EX A]:
yes