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: oh yeah the economy uh what i was thinking about is an economical issue concerning it uh Sentence 2: It's not an economical issue.
Example Output: yes

Example Input: Sentence 1: The trend is called brachycephalization, and it has been happening mainly in rural Poland between the Carpathian Mountains and the Black Sea--which, for some arcane reason, is one of the few places on Earth where humans are still evolving. Sentence 2: The humans in rural Poland have evolved a third arm.
Example Output: no

Example Input: Sentence 1: ( Curriculum Vitae , the memoir she published a few years ago, politely fends off the curious.) Sentence 2: There is a section of her biography with a form inviting further questions.
Example Output:
yes