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.

Input: Consider Input: Context: #CHILE fans break through security checkpoint & storm into stadium via pressroom #Chile VS #Spain #worldcup2014— Gustavo (@gustavocnn) June 18, 2014 Question: what do fans do at this worldcup? Answer: portability

Output: no


Input: Consider Input: Context: Much needed win for @TorontoRockLax, much unneeded acl tear for myself. Hope I see you in 2015. Good luck boys— Garrett Billings (@gbillings13) April 6, 2014 Question: who had a much needed win? Answer: zumyah

Output: no


Input: Consider Input: Context: Fabrizio is receiving treatment after being struck on the head by a ball on the 16th hole. Glad to say he is ok though and we wish him well— The European Tour (@EuropeanTour) September 11, 2014 Question: why is fabrizio receiving treatment? Answer: he was struck on the head


Output: yes