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: No, you are right, he said, "it is not as though there was a blood tie.  Sentence 2: He has thought this matter through a lot.

Ex Output:
no


Ex Input:
Sentence 1: This is not an artificial landscape supported solely by tourism; today's working farms help keep the Lake District vital and distinctive. Sentence 2: The farms in the Lake District supply the area with a surplus of food and materials.

Ex Output:
no


Ex Input:
Sentence 1: right it's a little more understandable under the circumstances i guess Sentence 2: It is not understandable under the circumstances.  

Ex Output:

yes