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 Input:
Sentence 1: Waves are additive. Sentence 2: Waves are not additive.

Ex Output:
yes


Ex 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.  

Ex Output:
yes


Ex Input:
Sentence 1: Upon consideration of the initial comments it received, the Commission declined to pursue the contract rate proposal, but solicited further comments on several broad issues concerning possible changes in the mail classification system. Sentence 2: Although the Commission declined to further pursue the contract rate proposal after considering the initial comments they received, they did decide to seek additional feedback on issues related to changes in the mail classification system. 

Ex Output:

yes


