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: I am so happy to be in the @usopen finals again after 5 years and I wish Peng a speedy recovery!— Caroline Wozniacki (@CaroWozniacki) September 5, 2014 Question: how long has the tweeter been waiting to return to the finals? Answer: 5 years

yes