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: Officials acted quickly to secure @NO_Airport. Our thoughts are with those injured in line of duty & we wish them a full & speedy recovery.— Mitch Landrieu (@MayorLandrieu) March 21, 2015 Question: what did officials secure? Answer: an airport.

yes