Definition: 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: Sentence 1: The world is aging, frets the cover story . Life expectancy is climbing, fertility is sliding, and the cost of supporting the elderly could cause a global recession. Sentence 2: People are living to eighty years old on average, world-wide.
Output:
no