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: I was briefed this morning by CAL FIRE pilots about the dangers of drones while fighting wildfires. #SB167 Ted Gaines (@TedGaines) July 10, 2015 Question: who is justin timberlake's choreographer? Answer: marty kudelka

no