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: 30% is a decrease in concentration or deposition compared to current conditions (an improvement) Sentence 2: There has been a decrease compared to current conditions.
Example Output: yes

Example Input: Sentence 1: and (3) who should do the federal government's business in the 21st century? Sentence 2: 21st-century federal government business.
Example Output: yes

Example Input: Sentence 1: 400); the city of King Priam, described in the Iliad and the Odyssey, is thought to be either Troy VI, which was destroyed by an earthquake in 1275 b.c. , or its successor Troy VIIa. Sentence 2: King Priam is spoken of positively in the Illiad and the Odyssey.
Example Output:
no