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: I will be back as soon as I can."  Sentence 2: I will return as soon as possible.
Example Output: yes

Example Input: Sentence 1: Citicorp could have agreed to market Travelers insurance or Salomon brokerage services, and vice versa, without actually becoming one company. Sentence 2: Citicorp had the opportunity to market the insurance companies without merging.
Example Output: yes

Example Input: Sentence 1: To the dismay of Franco diehards, the king brilliantly managed the transition to democracy, then stood back to allow it full rein, even intervening during a brief attempt at a military coup. Sentence 2: The king allowed democracy full reign, which dismayed Franco diehards. 
Example Output:
yes