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: AP NFL @AP_NFLPatriots backup QBs played key role in Super Bowl run @khightower #SB51 , 7:33:06 PM Question: who played a key role in patriots super bowl run? Answer: backup qbs

yes