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: is that a U S territory though Sentence 2: That's a U.S. territory, right?
Example Output: yes

Example Input: Sentence 1: No, you are right, he said, "it is not as though there was a blood tie.  Sentence 2: He has thought this matter through a lot.
Example Output: no

Example Input: Sentence 1: The service is needed but the state's budget crisis means it is not in a position to step in and help.  Sentence 2: There is plenty of extra money in the state's budget for them to help with this well needed service. 
Example Output:
yes