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: #MSF team working in Haradh hospital, north of #Yemen has received 30 wounded plus 15 dead bodies following airstrike on IDP camp today— MSF Ireland (@MSF_ireland) March 30, 2015 Question: in what hospital is the msf team working? Answer: haradh hospital

SOLUTION: yes

PROBLEM: Context: Cheers to @Letterman. A king, a king-maker, and probably the man most to blame for inflicting me on America. See you soon.— Ricky Gervais (@rickygervais) April 3, 2014 Question: who sent michelle obama a letter? Answer: beyonce

SOLUTION: no

PROBLEM: Context: We wanted to thank Senator @tedcruz for his help getting us our #TopDocNow CAP Action (@CAPAction) December 15, 2014 Question: who was confirmed as surgeon general Answer: dr vivek murthy

SOLUTION:
yes