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: Limestone stoichiometry is the number of moles of Ca added per mole of SO2 removed. Sentence 2:  Limestone stoichiometry is the number of moles of Ca added per mole of SO2 removed.
[EX A]: yes

[EX 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.
[EX A]: no

[EX Q]: Sentence 1: But I like this machine. Sentence 2: I don't like this machine.
[EX A]:
yes