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.
Q: Context: Historic Charleston churches to ring bells in unity Sunday for shooting victims via @postandcourier Mike Mooneyham (@ByMikeMooneyham) June 18, 2015 Question: what is the racist joke? Answer: i can't say here
A:
no