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: Congrats @andy_murray & Kim for your wedding. I wish you all the best!— Rafa Nadal (@RafaelNadal) April 12, 2015 Question: what are they being congratulated for? Answer: their wedding

yes