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: @cnnhealth #EbolaQandA The patients bodily fluids that were flushed down the toilet before he was dx'd: Contaminate water tx facilities?— Andrea (@Scrappygrrl) October 2, 2014 Question: who recently passed away? Answer: capt roger

no