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: Omw back to Ottawa. Had such a good time at the Olympics. But excited to come home again and play some more hockey. Erik Karlsson (@ErikKarlsson65) February 24, 2014 Question: what city should not be worried about ebola? Answer: dallas

no