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.

Input: Consider Input: Sentence 1: I am sorry for that, he said. Sentence 2: I do not apologize for anything, he stated.

Output: yes

Input: Consider 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.

Output: no

Input: Consider Input: Sentence 1: No, not at all. Sentence 2: No, most certainly not at all.
Output: yes