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: 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

Ex Output:
yes


Ex Input:
Context: People are leaving the awards show in droves right now during Jay Z and Beyonce clip #BETAwards @GailBBMitchell— billboard (@billboard) June 30, 2014 Question: what awards were jay z and beyonce shown Answer: bet awards

Ex Output:
yes


Ex Input:
Context: All the people calling for Chris Evans and Jeremy Renner to apologize to Black Widow. You do know she's not real right? Right?— kim (@mousie77539) April 23, 2015 Question: chris evans and jeremy renner are being asked to appologize to who? Answer: it vanished

Ex Output:

no