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: I've been blessed to spend my life serving something more important than myself, of being a bit player in the story of America #LibertyMedal John McCain (@SenJohnMcCain) October 17, 2017 Question: what is john mccain's current role? Answer: chairman of the senate armed services committee

yes