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: Throughout #HongKong, volunteers hand food, water, towels to protesters. They recycle too. Madison Park, 메디썬 박 (@MadisonCNN) September 29, 2014 Question: what did volunteers hand out? Answer: food, water and towels

yes