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: This proved highly dangerous to pilgrims who approached the abbey across the sands (the causeway joining the island to the mainland was not built until 1874). Sentence 2: Many pilgrims perished en route to the abbey.
Example Output: no

Example Input: Sentence 1: Those who think culture drives politics (e.g. Sentence 2: The people who think that politics isn't driven by culture.
Example Output: yes

Example Input: Sentence 1: The trick is in the mix. Sentence 2: The end result is the end result. 
Example Output:
yes