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: he's going to end up paralyzing himself or something i mean i worry about that guy Sentence 2: The guy is accident prone and injures himself often.
[EX A]: no

[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: The higher level of expenditures is driven by a 21% increase in unit generation costs caused primarily by the emissions caps and offset only slightly by a small decrease in electricity demand. Sentence 2: Emissions caps have caused a price change in unit generations. 
[EX A]:
yes