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: Jon spoke again, nodding his head slightly. Sentence 2: He was trying to convince them.
Example Output: no

Example Input: Sentence 1: Yet with the discovery of marvelous artifacts and evidence of its cities, Sir Arthur Evans, its principal advocate, made reality out of folklore and myth (see page 33). Sentence 2: Sir Arthur Evans spent his whole like searching the area before dying an obscure failure.
Example Output: yes

Example Input: Sentence 1: Dental insurance covers only 44 percent of Americans (compared to more than 80 percent for health insurance), and provides skimpy coverage for those who do have it. Sentence 2: Dental insurance covers every American
Example Output:
yes