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: Coming up live for @cnn and @cnni from Puerto Varas, a smoking #Cabulco Volcano in the background Shasta Darlington (@ShastaCNN) April 24, 2015 Question: how many people are talking about this? Answer: 53

no