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.

[Q]: 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.
[A]: no

[Q]: Sentence 1: But the data on marine casualties indicated that accidents were often caused, not by deficiencies in the vessels or other factors, but by human error. Sentence 2: The data on marine casualties showed that accidents were often caused machine failure.
[A]: yes

[Q]: Sentence 1: Although this did not match the standard set by commercial companies, it offered major improvements over what other DOD programs had attempted or achieved. Sentence 2: It had major improvements over what other DOD programs had achieved, despite not matching the standard set by commercial companies.
[A]:
yes