In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify this question-answer pair into two categories: (1) "yes" if the given answer is right for question, and (2) "no" if the given answer is wrong for question.

Ex Input:
Context: UPDATE: The #Dignity1 and #Argos are on the way to the #SAR zone whilst the #Aquarius heads to restock in #Trapani. MSF Sea (@MSF_Sea) May 27, 2016 Question: what are on their was to the sar zone? Answer: dignity1 and argos

Ex Output:
yes


Ex Input:
Context: On Pratt and INDY, no writer, no clue on Spielberg and Pratt has no idea is even in the mix.— Justin Kroll (@krolljvar) January 27, 2015 Question: what does pratt have no idea about? Answer: hurtful

Ex Output:
no


Ex Input:
Context: Thank you @backstreetboys for joining the #HMBALMAINATION at the Balmain x @hm launch event in NYC Balmain (@Balmain) October 21, 2015 Question: what was the name of the event? Answer: balmain x hm launch

Ex Output:

yes