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: PRESS CONFERENCE: @YayaToure and Manuel Pellegrini face the media in Barcelona #mcfc Manchester City FC (@MCFC) March 17, 2015 Question: who is doing the press conference? Answer: yaya toure and manuel pellegrini

yes