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: The brill were slaughtered for food and San'doro assured them that the slaves would find their way. Sentence 2: The brill were killed.
Example Output: yes

Example Input: Sentence 1: yeah really what is that Sentence 2: Is that what it is?
Example Output: no

Example Input: Sentence 1: Think what he stands to lose.  Sentence 2: He is about to take a risk.
Example Output:
no