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: Beyond Limin, Thasos is mountainous and covered with pine forest. Sentence 2: Thasos is sparsely populated due to mountains and forests.

Ex Output:
no


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: Software supremo Andrew Shuman, says the right candidate will be a C SQL jockey with two to three years of Web experience. Sentence 2: Software engineer Andrew Shuman weighs in as usual on what the right candidate will be for Web programming.

Ex Output:

no