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: 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
Example Output: yes

Example Input: Context: Home sweet home, great weekend in #saumur so many good memories and a brilliant way to start the season :) Joanne Eccles (@joanne_eccles) April 22, 2014 Question: who are closing in on him? Answer: regime forces
Example Output: no

Example Input: Context: Someone please take Buzzy Cohen down tomorrow! Can't take the smugness anymore! #Jeopardy Mixed Bag (@m_ixedbag) May 26, 2016 Question: when will there be a chance to beat buzzy cohen on jeopardy? Answer: tomorrow.
Example Output:
yes