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: That was a tough race. We had the pace to win today but the incident cost us a top ... Nico Rosberg (@nico_rosberg) August 24, 2014 Question: what went right at the race? Answer: pacing

Ex Output:
yes

Ex Input:
Context: Paris Hilton is a smart woman! And I mean it. She did this on purpose for PR purposes #NelsonMandela AEK (@influxTR) December 6, 2013 Question: who is the subject of her tweet? Answer: nelson mandela dying.

Ex Output:
yes

Ex Input:
Context: Let's see some biting memes!! #worldcup #suarez ChristopherDReed (@Chrisreed619) June 24, 2014 Question: what are these memes based on? Answer: suarez and the world cup

Ex Output:
yes