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: Somewhere at MIT there's a comp sci major from San Francisco laughing really hard right now. #SuperBowl47— Phillip Van (@phillipvan) February 4, 2013 Question: how many superbowls have there been so far? Answer: 47.

yes