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: This is me locked inside a waterstones bookstore in London. I was upstairs for 15 minutes and came... David Willis (@DWill_) October 16, 2014 Question: to whom is this question asked? Answer: mr. speaker

no