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: The crowds thinned and the tent city rose around them, mostly empty at this time in the morning. Sentence 2: It was really busy that morning.
Example Output: yes

Example Input: Sentence 1: Schoolhouse ... right here ... he mouthed. Sentence 2: There is a schoolhouse.
Example Output:
yes