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: "We need to stay a long time," says Brian Lam. "We need to fight for our freedom." #OccupyHongKong Jethro Mullen (@jethromullen) October 2, 2014 Question: where do we need to stay? Answer: hong kong

yes