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: .@SonyPictures don't cave, fight: release @TheInterview free online globally. Ask viewers for voluntary $5 contribution to fight #Ebola.— Mitt Romney (@MittRomney) December 18, 2014 Question: how much should volunteers donate to fight ebola? Answer: five dollars

yes