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: Lawyers discount their usual rate by 20% after that. Sentence 2: Lawyers always charge the same amount, even after that.
Example Output: yes

Example Input: Sentence 1: We'll keep him close-in the water corral. Sentence 2: We will not allow him anywhere near the water corral.
Example Output: yes

Example Input: Sentence 1: However, during this time the country is at its most green, and the monuments, especially the Taj Mahal, take on a glistening beauty. Sentence 2: When the country is at its most green, the monuments look duller then ever.
Example Output:
yes