instruction:
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.
question:
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.
answer:
no


question:
Sentence 1: Natalia didn't comment, though her expression was even more dour than usual. Sentence 2: Natalia was quiet and sad.
answer:
yes


question:
Sentence 1: To further understand the problems on the PAC-3 program, we focused on its seeker subsystem, which is key to acquiring and tracking targets and represents a large percentage of the missile's cost. Sentence 2: The seeker subsystem is the most obvious way in which the flaws of the PAC-3 program can be seen.
answer:

no