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 Input:
Sentence 1: I am sorry for that, he said.  Sentence 2: I do not apologize for anything, he stated.

Ex Output:
yes


Ex Input:
Sentence 1: The momentum for change was growing, and in 1831 a black lay preacher named  Daddy  Sam Sharpe led a revolt of 20,000 slaves at Montego Bay. Sentence 2: Daddy Sam Sharpe's revolt was at Montego Bay in 1854.

Ex Output:
yes


Ex Input:
Sentence 1: They wore helms of twisted horned skulls. Sentence 2: They did not wear helms.

Ex Output:

yes