Instructions: 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: Rev Jesse Jackson at SC State House after Confederate flag vote: 'There's power in the blood of martyrs' re Charleston massacre #thestate John Monk (@jmonkatthestate) July 9, 2015 Question: where was rev. jesse jackson? Answer: sc state house
Output:
yes