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: justin should jump right over into cold cold water coz he got burned by selena#SelenaEndedJustinParty— ändrëä (@madrigalandreaa) August 15, 2016 Question: what is it that justin should do? Answer: "bubbaclause"

Ex Output:
no


Ex Input:
Context: Our friends at @AirbusDefence shared radar images of North Korea's nuclear test site showing post-test subsidence. — Jeffrey Lewis (@ArmsControlWonk) September 13, 2017 Question: what did the nuclear test site show? Answer: fought

Ex Output:
no


Ex Input:
Context: Peaceful protest today has received excessive police backlash, they have called backup and we are not sure what is going on #exposeevergreen — halla (@HallaWarner1) May 23, 2017 Question: what was received at today's peaceful protest? Answer: police backlash

Ex Output:

yes