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: It affects the lives of each and every American. Sentence 2: Every African is affected by it.
Example Output: yes

Example Input: Sentence 1: okay well good luck to the Rangers this season  see if they can pull one out Sentence 2: Good luck to the Rangers this season; let's see if they win.
Example Output: yes

Example Input: Sentence 1: Both are Democrats who converted to conservative Republicanism. Sentence 2: Both of the men running for mayor are former Democrats. 
Example Output:
no