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: reports that the grassroots relief effort could strengthen Turkish democracy. Sentence 2: Some are saying that a grassroots relief effort could fortify Turkey's democracy.
Example Output: yes

Example Input: Sentence 1: One rather formidable group of mailers whose members will benefit mightily from the Commission's recommendations, the periodicals mailers, pointed out in a press statement that the overall average increase for First-Class mail was much smaller than the average increase for mail their members send. Sentence 2: Periodicals mailers never say a word in the press statements.
Example Output: yes

Example Input: Sentence 1: A nurse's kit!  Sentence 2: When I graduate I want a complete nurse's kit.
Example Output:
no