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: 1st grizzly sighting of the spring today over Nez Perce Crk. Get a bear safety refresher at 9. YellowstoneNPS (@YellowstoneNPS) 24 February 2016 Question: what did nigel hand donald? Answer: mantle

no