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: and um i went to court and you can even get a trial by jury for a traffic ticket Sentence 2: You cannot get a trial for anything at all.  
Example Output: yes

Example Input: Sentence 1: In providing services and in establishing classifications, rates, and fees under this title, the Postal Service shall not, except as specifically authorized in this title, make any undue or unreasonable discrimination among users of the mails, nor shall it grant any undue or unreasonable preferences to any such user. Sentence 2: Discrimination is preferred by the Postal Service.
Example Output: yes

Example Input: Sentence 1: Just being the first chair of the commission which began the implementation of the pro bono process was somewhat humbling. Sentence 2: They wanted to make a lasting impression.
Example Output:
no