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: We thank them for their willingness to participate in our study, for the valuable information and insights they provided, and for their hospitality. Sentence 2: Without their hospitality and insight, we wouldn't have been able to complete our study.

Output: no

Input: Consider Input: Sentence 1: If they say so, said the Astronomer, "I'm sure it will. Sentence 2: That must be the case.

Output: yes

Input: Consider Input: Sentence 1: An Analysis of the Potential for Cream Skimming in the U.S. Sentence 2: This is a novel written by Pete Jacobson.
Output: no