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: We honor the survivors, first responders & others who helped in the time of need #bostonstrong MEMA (@MassEMA) April 15, 2015 Question: who is the author of this tweet? Answer: @mema

yes