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: They were justifiably concerned, advocates say. Sentence 2: The concern was quite normal due to the case.
no

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.
yes

Sentence 1: and boating and horseback riding although i'm recovering from back surgery so it's going to be awhile before i can do either one of those Sentence 2: Despite horseback riding being the cause of my back injury, I'd like to pick it back up as soon as possible.

no