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: The technology of satellite TV--one 18-inch dish on the deck of my apartment receiving 207 channels from something flying in space thousands of miles away--is wonderful. Sentence 2: The technology behind satellite TV is wonderful.
Example Output: yes

Example Input: Sentence 1: He also said that if this type of legislation is not feasible, the Association's members would like to be able to use their frequent flyer miles to upgrade to business class on long flights. Sentence 2: Association members prefer to fly business class.
Example Output: yes

Example Input: Sentence 1: It operates several times a day during the summer. Sentence 2: Summer is the only time that it operates.
Example Output:
no