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: 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: #AskRachel Lil Tyrone scores a touchdown...what does his mom say? A) Good job tyrone! B) Atta boy C) Das mah BABY!! Joshua (@JoshuaBlackwe12) June 15, 2015 Question: what is the answer to letter b) Answer: the hospital

Ex Output:
no


Ex Input:
Context: Joe Moss was Shia LaBeouf before Shia LaBeouf was Joe Moss— Shia LaBeouf (@thecampaignbook) May 20, 2015 Question: who was joe moss? Answer: shia labeouf

Ex Output:

yes