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: They stood again, tips to the sky and left hands out in salute. Sentence 2: They were waving their right hands. 

Output: yes


Input: Consider Input: Sentence 1: And while it would be a mistake to say that the stock could have opened at that highest price, it's safe to say that if Robertson Stephens had done a better job of gauging demand, millions of dollars that went into traders' pockets would have gone into Pixar's vaults instead. Sentence 2: Many people lost their jobs due to Robertson Stephens failure to properly calculate demand. 

Output: no


Input: Consider Input: Sentence 1: He looked a regular scarecrow!  Sentence 2: He is one of the most attractive people I have ever seen.


Output: yes