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: Upbeat mood at #OccupyCentral in Hong Kong, but some students are making sure people stay focused on the cause: Jethro Mullen (@jethromullen) September 30, 2014 Question: what protect is being referenced? Answer: occupy central

yes