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: That captain has heady ambitions under his hat, maybe like setting up here as a tinpot governor or something like. Sentence 2: The captain had high ambitions in the political world because he liked the power that it entails.
Example Output: no

Example Input: Sentence 1: But in these obscure aristocratic byways he could not but feel that an officious policeman might stop him to explain matters. Sentence 2: The policeman would be in the right to explain what was going on.  
Example Output: no

Example Input: Sentence 1: have do you like Ken Follett Sentence 2: I already know that you don't like Ken Follett. 
Example Output:
yes