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: I'd recognize him anywhere." Sentence 2: He his difficult to identify.
[EX A]: yes

[EX Q]: Sentence 1: I am sorry for that, he said.  Sentence 2: I do not apologize for anything, he stated.
[EX A]: yes

[EX Q]: Sentence 1: Black history--in America, at least--is American history. Sentence 2: Black history in America is the fabric of American history.
[EX A]:
no