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.

Example 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.
Example Output: yes

Example Input: Sentence 1: Well, any technology can be used for good or ill. Sentence 2: That technology cannot be used for evil.
Example Output: yes

Example Input: Sentence 1: oh yeah well the thing that really did it for me i was subbing in a fifth grade class and uh this kid comes to school with his lunch box and inside this lunch box he's got easily two i'd say two hundred two hundred and fifty dollars in one dollar bills Sentence 2: The kid had a large amount of money in a single lunch box. 
Example Output:
yes