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: @redcross volunteer Jeremy Bishop unloading water for 250 first responders in Tornado hit, Vilonia, Ark. Darren Irby (@deirby) April 28, 2014 Question: who is a redcross volunteer? Answer: jeremy bishop

yes