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.

Example Input: Context: @cnnafricanstart "Start early, get your idea on the ground and work on it". Many good ideas die before they take off #CNNAfrica— Jayell (@DopeAF_) January 14, 2015 Question: what's the first step of this piece of advice? Answer: someone showed that his emperor has no clothes.
Example Output: no

Example Input: Context: AP can now confirm Bosh opted out as well.— Tim Reynolds (@ByTimReynolds) June 28, 2014 Question: who confirmed that bosh opted out? Answer: zordon
Example Output: no

Example Input: Context: Russia thought they were doing the national anthem of Westeros? #Eurovision— Brian Truitt (@briantruitt) May 14, 2016 Question: what did russia think they were doing? Answer: the national anthem of westeros
Example Output:
yes