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.

Example Input: Context: "Same thing basically." -the Pepsi ad wizards who came up with this one Joanna Robinson (@jowrotethis) April 4, 2017 Question: what are the pepsi ad wizards say? Answer: same thing basically
Example Output: yes

Example Input: Context: Zumyah tonight you gave my band and I something we've never felt before. you're an inspiration to... Bruno Mars (@BrunoMars) June 29, 2014 Question: who had a much needed win? Answer: @torontorocklax
Example Output: no

Example Input: Context: .@letterman You are a class act that will be truly missed #legend Sarah Michelle (@RealSMG) April 4, 2014 Question: how does gellar describe the host? Answer: a class act.
Example Output:
yes