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: These retrofits would be early installations that sources initiate due to the economic benefits of banking SO2 allowances. Sentence 2: Sources would carry out these retrofits because of cost-savings from banking SO2 allowances.
A:
yes