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 Q]: Context: Obama on 2016 campaign: "It's not even Survivor or the Bachelorette. I mean it's like some 'Love and Hip-Hop' stuff" CNN (@CNN) November 4, 2016 Question: when did obama refer to reality tv shows Answer: during the 2016 campaign
[EX A]: yes

[EX Q]: Context: People,I Just Found Out The Loss Of Spiritual Mother,The Late,Great Ruby Dee.I'm Crushed By This Bad... Spike Lee (@SpikeLee) June 12, 2014 Question: what was ruby dee's nickname? Answer: spiritual mother
[EX A]: yes

[EX Q]: Context: I had just finished locking my bike up at Elgin & Sparks when I heard four shots - one, two then one, two. #Ottawa— Peter Henderscare (@Henderburn) October 22, 2014 Question: how many people are standing on the line outside a taikoo shing polling station? Answer: 1400 people
[EX A]:
no