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: Fiscal Policy, Population Aging, and National Saving, Journal of Economic Perspectives    Sentence 2: Fiscal policy is directly related to population aging.

Output: no


Input: Consider Input: Sentence 1: for how many calls Sentence 2: Did you make a lot of calls?

Output: no


Input: Consider Input: Sentence 1: me either anything else Sentence 2: me too, there's something else


Output: yes