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: 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: Thankful to be alive, full of admiration for the way Kenyan citizens responded, but concerned re ongoing terrorist threat. #Westgate6Months— Sarah Holmes (@holmespest) March 20, 2014 Question: what team is lbj leaning towards? Answer: heat

Output: no


Input: Consider Input: Context: "@jasonjwilde: Meanwhile, at @UWMadison ... " < Note nothing on fire.— Bob Plankers (@plankers) April 5, 2015 Question: what event is not happening? Answer: a fire.


Output: yes