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: EPA performed an Economic Analysis of the final rule, including the Clean Air Act and Clean Water Act portions of the rule, and the analysis is summarized in the preamble to the final rule. Sentence 2: The EPA refused to perform any kind of analysis.
Example Output: yes

Example Input: Sentence 1: Reservations recommended. Sentence 2: make reservations now to save money.
Example Output: no

Example Input: Sentence 1: Business Week 's Amy Cortese calls the book a fascinating cautionary tale of the way money is shoveled at bad, but hyped, projects. Sentence 2: Amy Cortese writes for Business Week.
Example Output:
yes