Definition: In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.
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

yes