TASK DEFINITION: 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.
PROBLEM: Context: Happy Birthday Nelson Mandela. You teach us tolerance, forgiveness and simple kindness. #Saint— Kim Engelbrecht (@kimengelbrecht) July 18, 2012 Question: whose's birthday is it? Answer: nelson mandela

SOLUTION: yes

PROBLEM: Context: The @Royals may have lost, but this team and that city is all winner. Thanks for a GREAT post season. Congrats Giants and GO @KCChiefs!!!!— Eric Stonestreet (@ericstonestreet) October 30, 2014 Question: what team are they rooting for now? Answer: kcchiefs

SOLUTION: yes

PROBLEM: Context: @cnnivideo @wongiwongi The hope is the Chibok girls will return soon..challenge is family must be ready to accept what's left of them— Solomon paul (@soloetic) June 14, 2014 Question: when do people say lebron got it? Answer: early

SOLUTION:
no

