Definition: In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.
Input: Context: Rat On Mars In NASA Photo at Rover, Lizard Or Rodent, May 2013. UFO Sighting News. #lunch Captain (@Uredda) August 7, 2015 Question: where did putin become a big hero? Answer: russia

no