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 Input:
Context: Hi @Waterstones I've been locked inside of your Trafalgar Square bookstore for 2 hours now. Please let me out.— David Willis (@DWill_) October 16, 2014 Question: where did david willis say he was locked in? Answer: waterstones trafalgar square bookstore

Ex Output:
yes


Ex 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

Ex Output:
no


Ex Input:
Context: Melania must've liked Michelle Obama's 2008 Convention speech, since she plagiarized it.#GOPConvention #RNCinCLE Jarrett Hill (@JarrettHill) July 19, 2016 Question: who liked michelle obama's speech? Answer: melania

Ex Output:

yes