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: "I would never be racing in my career if it wasn't for Sir Jack" - Mark Webber (@aussiegrit) Brabham (@BrabhamOfficial) October 24, 2014 Question: who is responsible for him racing? Answer: sir jack

Ex Output:
yes

Ex Input:
Context: Happy for Yaya...Finally got his hands on that Afcon trophy... Temi Oyedepo (@temmy_israel) February 9, 2015 Question: what trophy was won Answer: exec dir tony lake

Ex Output:
no

Ex Input:
Context: Brilliant actor, dear friend and colleague, witty, kind, private man, Roger Rees died this morning. A space is left that cannot be filled. Patrick Stewart (@SirPatStew) July 11, 2015 Question: who was roger rees to patrick stewart? Answer: brilliant actor, dear friend and colleague

Ex Output:
yes