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: Benedict Cumberbatch used the term 'coloured' to describe black actors. What year are we in? Sonya Thomas (@writehandmedia) January 26, 2015 Question: what term was used? Answer: coloured

Ex Output:
yes


Ex Input:
Context: Breaking: @CharlestonPD confirm shooting unclear officially how many hurt. Saw 1 transported @ABCNews4#chsnews# Jason Tighe (@jtighe08) June 18, 2015 Question: what did chris rock ask his followers for? Answer: luck

Ex Output:
no


Ex Input:
Context: If it was gonna end it ended right. Last show in ATL was epic tonight! Love to my big bro @Ludacris for coming thru. #History #BelieveTour — Justin Bieber (@justinbieber) August 11, 2013 Question: who came through for the author? Answer: ludacris

Ex Output:

yes