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: 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.

Output: yes


Input: Consider Input: Context: RDJ loves him some Iron Man #sdcc — Brian Truitt (@briantruitt) July 27, 2014 Question: where is brian truitt Answer: europe

Output: no


Input: Consider Input: Context: Here's a photo of Nichelle in the Oval Office meeting w/ Pres Obama last year – a wonderful memory to be sure! Nichelle Nichols (@RealNichelle) January 21, 2013 Question: *there is no tweet shown Answer: *there is no tweet shown


Output: yes