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: A2: Doing what they want instead of what the customers want. Understand your customer base. Don't assume. #CNNAfrica— Wendy Lee (@wleerpcv) January 14, 2015 Question: what is the tweeting urging people to do? Answer: heed customers

yes