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: While a cost-per-case analysis is limited in that it only addresses quantity, and not quality of services, it does provide some useful quantitative information. Sentence 2: Only quantity is examined, not quality.

Ex Output:
yes

Ex Input:
Sentence 1: Exactly. Au revoir! Whittington looked almost genial again, a reversion that aroused in Tuppence a faint misgiving. Sentence 2: Tuppence felt confident after her conversation with Whittington.

Ex Output:
yes

Ex Input:
Sentence 1: yeah yeah i like uh what is it on Tuesday oh i think Coach is kind of funny on Tuesday night Sentence 2: I've never seen Coach before and don't plan to.

Ex Output:
yes