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.

Example 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.
Example Output: no

Example 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.
Example Output: yes

Example Input: Sentence 1: He even wrote a kindly biography of Jimmy Carter. Sentence 2: Also, he wrote a biography of Jimmy Carter in a kind way.
Example Output:
yes