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: 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 A]: yes

[EX Q]: Sentence 1: Our overall objective was to determine whether best practices offer methods to improve the way DOD ensures that the design is stable early in the development process and whether having manufacturing processes in control before production results in better cost, schedule, and quality outcomes in DOD major acquisition programs. Sentence 2: They wanted to use the best practices for other projects as well.
[EX A]: no

[EX Q]: Sentence 1: The bear is a symbol of Madrid, while the T?o Pepe sign, an advertisement for one of Spain's most famous brands of sherry, has become the unofficial symbol of the Puerta del Sol. Sentence 2: Madrid uses a bear as its symbol while Puerta del Sol used the Tio Pepe.
[EX A]:
yes