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: 5 million has been raised since the campaign began. Sentence 2: So far the campaign has raised five million dollars.
Example Output: yes

Example Input: Sentence 1: yeah i've enjoyed them so it doesn't really matter Sentence 2: I hated them, so it doesn't matter.
Example Output: yes

Example Input: Sentence 1: Other contacts are listed in appendix II. Sentence 2: There are no contacts located in the appendix II.
Example Output:
yes