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: Let's USE OUR VOICE & elect a president 🇺🇸 Text KATY to 47246 to volunteer for hillaryclinton... KATY PERRY (@katyperry) March 8, 2016 Question: who was katy perry endorsing in her tweet? Answer: hillary clinton

yes