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: Citicorp could have agreed to market Travelers insurance or Salomon brokerage services, and vice versa, without actually becoming one company. Sentence 2: Citicorp had the opportunity to market the insurance companies without merging.
[A]: yes

[Q]: Sentence 1: Today the theater still provides a wonderful setting for the July festival's opera and symphony concerts. Sentence 2: The theater is no longer used.
[A]: yes

[Q]: Sentence 1: When the Flamingo opened in December 1946, it did so with Hollywood flair and the new Vegas flash. Sentence 2: The Flamingo opened in December 1946.
[A]:
yes