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.

Ex Input:
Context: Many people are equating BREXIT, and what is going on in Great Britain, with what is happening in the U.S. People want their country back! Donald J. Trump (@realDonaldTrump) June 24, 2016 Question: who is presenting this clip? Answer: tom hiddleston

Ex Output:
no

Ex Input:
Context: #saopaulo #worldcup #naovaitercopa protest unveils huge banner from overpass - in English. Ben Tavener (@BenTavener) April 30, 2014 Question: how are the protesters protesting? Answer: huge banner from overpass

Ex Output:
yes

Ex Input:
Context: Scary 6.1 earthquake in Napa this morning at 3:45... Rattled but safe! Hannah Hustedt (@MontanaTweets) August 24, 2014 Question: how powerful was the napa earthquake? Answer: 6.1

Ex Output:
yes