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: 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: ANAO's site includes links to its various publications, including its audit reports and better practice guides. Sentence 2: The website for ANAO costs $5 a month to access the various publications.
Example Output: yes

Example Input: Sentence 1: When the Tibetan god Manjushri came to view this light, he was unable to get close enough for a good look, so he took his great sword and slashed through the mountains surrounding the valley to release the waters of the lake. Sentence 2: Manjushri traveled far in order to see this light.
Example Output:
no