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: So happy to have seen @Philae2014 again before my mission ends later this month...more about my #CometLanding soon! ESA Rosetta Mission (@ESA_Rosetta) September 5, 2016 Question: who is receiving special treatment? Answer: waco thugs

no