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.

Input: Consider Input: 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.

Output: yes

Input: Consider Input: Sentence 1: Then his mind adjusted to the new facts, dismissing his past worries. Sentence 2: He felt completely relieved.

Output: no

Input: Consider Input: Sentence 1: Port Antonio plays host to the International Blue Marlin Tournament annually in October, when the harbor is filled with large and expensive sport-fishing boats from around the Caribbean. Sentence 2: Port Antonio hosts the International Blue Whale Tournament annually in September.
Output: yes