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.

Input: Consider Input: Context: Two Duchess of Cambridge images have joined @NPGLondon's #Vogue100 exhibition from today: VOGUE.CO.UK (@BritishVogue) May 1, 2016 Question: who joined vogue100 exhibition? Answer: two dutchess of cambridge

Output: yes


Input: Consider Input: Context: Brave, outspoken & humanitarian who played Helen Keller in "Miracle Worker," Oscar winner Patty Duke passed. I will miss her. RIP.— Marlee Matlin (@MarleeMatlin) March 29, 2016 Question: what oscar winner has passed away? Answer: over the weekend

Output: no


Input: Consider Input: Context: Mirka and I are so incredibly happy to share that Leo and Lenny were born this evening! #TwinsAgain #Miracle— Roger Federer (@rogerfederer) May 6, 2014 Question: when were his twins leo and lenny born? Answer: 250,000


Output: no