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: VIDEO: Lady Gaga performing ‘Bad Romance’ acoustic at # Lady Gaga News (@TomyKMonster) September 8, 2017 Question: what instrument is lady gaga playing? Answer: piano
Example Output: yes

Example Input: Context: Hitting on married women? Condoning assault? Such vile degradations demean our wives and daughters and corrupt America's face to the world.— Mitt Romney (@MittRomney) October 8, 2016 Question: what actions degrade women? Answer: hitting on married women.
Example Output: yes

Example Input: Context: Sanders path? Build mo with big western wins, shock Clinton elsewhere, give super delegates jitters - @JohnKingCNN Zach Wolf (@zbyronwolf) March 26, 2016 Question: who can scare superdelegates? Answer: short ones
Example Output:
no