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: #Ferguson protesters spill into 101 Fwy lanes at Grand Ave, DTLA #TRAFFICALERT ABC7 Eyewitness News (@ABC7) November 26, 2014 Question: what did the rule attemp to sabotage? Answer: the affordable care act
Example Output: no

Example Input: Context: Possibly just received the worst news of my life...Benedict Cumberbatch is engaged. Absolutely devastated 💔— Tabitha Howe (@TabsHowe) November 5, 2014 Question: who is being referred to in the tweet? Answer: benedict cumberbatch
Example Output:
yes