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: Robin Williams circled the globe entertaining our troops & families. Part of @the_USO family, he'll be sorely missed. USO (@the_USO) August 12, 2014 Question: who whishes this year could stop Answer: chris rock

no