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: Global Culture represented the combined efforts of many people, and they are all acknowledged by name in the book. Sentence 2: The book acknowledges the many people who worked on Global Culture.
[A]: yes


[Q]: Sentence 1: The distinction between the two is apparent in Martin Luther King Jr.'s eloquent and moving, I Have a Dream speech, which would have been much less effective had he concluded, Fresh at last, fresh at last, thank God almighty, I'm fresh at last. Sentence 2: I have a dream speech was by Martin Luther King Jr.
[A]: yes


[Q]: Sentence 1: (Just joking!) Sentence 2: Not joking. 
[A]:
yes