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 Q]: Context: This is not normal. This is not fake news. This is a very real & serious threat to the national security of the United States.— Elizabeth Warren (@SenWarren) March 2, 2017 Question: what topic does elizabeth warren bring up? Answer: 42 degree celsius
[EX A]: no

[EX Q]: Context: It happens to the best of us @ Jessica Simpson (@JessicaSimpson) July 9, 2017 Question: who is tweeting about whole foods? Answer: the colombian game
[EX A]: no

[EX Q]: Context: We are a country founded on egalitarian principles & should never accept the notion of membership in a defined class-- upper, middle, or low.— Jim Webb (@JimWebbUSA) January 21, 2015 Question: what does jim webb thing about classes? Answer: we should never be defined by class.
[EX A]:
yes