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.

[EX Q]: Sentence 1: 14 The labor required to install an absorber vessel and ductwork is a major portion of the system installation man-hours. Sentence 2: Installing an absorber vessel and ductwork requires more workers than any other part of system installation.
[EX A]: no

[EX Q]: Sentence 1: Have you anyone who can testify to that? Sentence 2: Can anyone confirm that?
[EX A]: yes

[EX Q]: Sentence 1: But in the final five minutes, I raised my bid to $250, then $275, then $300, and finally won the auction, exhilarated by my victory. Sentence 2: I lost the auction, sadly.
[EX A]:
yes