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: But Sir James was already on the topmost stair. Sentence 2: They were telling Sir James to come upstairs, not realizing he was already there.
Example Output: no

Example Input: Sentence 1: Fiscal Policy, Population Aging, and National Saving, Journal of Economic Perspectives    Sentence 2: Fiscal policy is directly related to population aging.
Example Output: no

Example Input: Sentence 1: If this makes you feel pessimistic about the progress of science, keep in mind that we can learn a lot from even a very few true hypotheses submerged in a sea of false ones. Sentence 2: There usually are more false hypotheses than true.
Example Output:
no