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: I see Bob Newhart is the referee for tonight's game. Can't wait for the penalty explanations #OREvsOSU #CFBPlayoff Pete Stopulos (@PStop) January 13, 2015 Question: what is obama reacting to? Answer: a man wearing a horse head

no