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.

Q: 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

A: no
****
Q: Context: Today, nearly 200 countries took an historic step to #ActOnClimate for future generations by phasing down HFCs: The White House (@WhiteHouse) October 15, 2016 Question: nearly 200 countries took steps to do what? Answer: putin

A: no
****
Q: Context: People in Seoul are alarmed by the increasing number of "sinkholes" appearing on streets The Korea Times (@koreatimes1) July 21, 2014 Question: where are these "sinkholes"? Answer: seoul

A:
yes
****