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: Proud to celebrate a historic victory for marriage equality—& the courage & determination of LGBT Americans who made it possible. -H— Hillary Clinton (@HillaryClinton) June 26, 2015 Question: what was the historic victory about? Answer: marriage equality

yes