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: 1yr ago today my life changed. Thank you to everyone that worked so hard to get me back to where I'm at today. It's your life, live it!— Tony Stewart (@TonyStewart) August 5, 2014 Question: how many years ago did the person's life change? Answer: 1yr ago.

yes