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.

Input: Consider 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.

Output: no


Input: Consider Input: Sentence 1: We are heirs to the inexplicable pagan obsession with corpses. Sentence 2: We have a very strange pagan obsession with corpses.

Output: yes


Input: Consider Input: Sentence 1: Characteristics related to useful life are that  has an indeterminate or an unpredictable useful life because of the unusual manner in which it is used, improved, retired, modified, or maintained or is at a very high risk of being destroyed during use or of premature obsolescence. Sentence 2: The length of a useful life depends on how it is used, modified or maintained and unpredictable use can lead to a higher risk of it being destroyed prematurely. 


Output: yes