Q: 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.
Sentence 1: The hardware and equipment to support wet FGD technology involves five major systems. Sentence 2: The hardware and equipment to support wet FGD technology involve five major systems.
A:
yes