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: Barack Obama is the Nickelback of presidents.— Nathan Keavy (@nathankeavy) August 5, 2014 Question: what is the only word? Answer: tweet.

yes