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: I don't think anyone is going to top that speech by Mrs. Obama.— Erick Erickson (@EWErickson) July 26, 2016 Question: who gave the great speech? Answer: mrs. obama

yes