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: 4 -- For the 1st time in @ChampionsLeague history 4 german teams lost on a matchday. Novelty.— OptaFranz (@OptaFranz) November 26, 2014 Question: what did sutter do today? Answer: drug the boat.
Example Output: no

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: How ironic I was at the #WhiteHouse today when I confirmed I'm speaking @DemConvention next week for #45POTUS. Star Jones (@StarJonesEsq) July 20, 2016 Question: what president is she speaking about? Answer: 45th
Example Output:
yes