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: 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


Ex Input:
Sentence 1: Regional Modeling System for Aerosols and Deposition (REMSAD) Sentence 2: The system does not model deposition.

Ex Output:
yes


Ex Input:
Sentence 1: My hunch is that Oprah will win over even the cattlemen, eventually. Sentence 2: I don't think Oprah will never win ranchers over.

Ex Output:

yes