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.

Context: The sooner we remove Iowa's frontrunning status, the better off American politics and policy will be. Liz Mair (@LizMair) January 24, 2015 Question: what did the us shot dow Answer: a missile
no