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: RIP Capt Roger. You loved our country and I knew you on many flights we took together in defence of our wildlife heritage. Life is precious— Lazaro Nyalandu (@LazaroNyalandu) January 30, 2016 Question: what did lazaro nyalandu do with captain roger? Answer: defend wildlife

yes