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: Consider Input: Context: Today's UN resolution made it clear: the world won't accept #Russia's illegal annexation of #Crimea. #UnitedforUkraine— Samantha Power (@AmbassadorPower) March 27, 2014 Question: *there is no tweet shown Answer: *there is no tweet shown

Output: yes


Input: Consider Input: Context: Alright Ladies , today i am inspired the women in tech in Africa came together despite tool fails to share and collaborate #WTechAfrica— ethelcofie (@MissEDCofie) August 2, 2014 Question: who came together in africa? Answer: women in tech

Output: yes


Input: Consider Input: Context: InsideHoops.com NBA @InsideHoopsThunder beat Pelicans tonight. Russell Westbrook had 28 points, 17 rebounds, 12 assists and 10 turnovers.12/5/2016, 6:35:49 AM Question: who beat the pelicans tonight? Answer: thunder


Output: yes