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: Some observers say Pope Francis's views on poverty and wealth make him a communist - is he? 📻 BBC World Service (@bbcworldservice) September 20, 2015 Question: who might be a communist? Answer: prez @barackobama

Ex Output:
no


Ex 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

Ex Output:
no


Ex Input:
Context: Learn how to spell Sam Dekker's name, America. Dude's got 15 at the half. #UNCvsWIS #Sweet16 NCAA March Madness (@marchmadness) March 27, 2015 Question: what did sam dekker get at halftime? Answer: 15 points

Ex Output:

yes