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: OMG NOT AGAIN , YOU KNOW WHAT IM OUT BYE #theshoe 9 — elsa (@recovercam) July 9, 2015 Question: what is the tweet in reference to? Answer: the shoe

Ex Output:
yes


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: The @FCC has approved the first-ever wireless, "power-at-a-distance" charging technology. @Energous' #WattUp could allow multiple devices to be recharged up to 3 feet away, regardless of manufacturer. cc @MartyMobile— Ajit Pai (@AjitPaiFCC) December 27, 2017 Question: how far away can the devices be recharged? Answer: austin

Ex Output:

no