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: Runner with muscular dystrophy finishes Boston Marathon 20 hours after start WCVB-TV Boston (@WCVB) April 21, 2015 Question: whose songs got covered by a fan? Answer: tom petty

no