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: @cnnafricanstart A4: Tell your story as best & as clearly as possible. Show how you solve a problem & the market you are after #CNNAfrica— Juliana Rotich (@afromusing) January 14, 2015 Question: how should a4 tell their story? Answer: best & as clearly as possible

yes