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: Why is Brian Williams still allowed on air?— James Rogala (@jamesrr1) April 7, 2017 Question: when might it be a problem? Answer: down the line

no