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: Planning a @Vegas vacation? Be sure to stop by @CircusVegas for the free #circus acts! — Budget Travel (@BudgetTravel) July 15, 2014 Question: what is going on at circusvegas? Answer: free circus acts

yes