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: Corrected Link: Unarmed Missouri teen killed by officer after 'physical confrontation' NBC News (@NBCNews) August 10, 2014 Question: where did he meet him and his mom? Answer: on a plane
[EX A]: no

[EX Q]: Context: I believed in her then, I believe in her now. @HillaryClinton #mypresident Me and @ambertamblyn stumping in 2008 America Ferrera (@AmericaFerrera) April 12, 2015 Question: what makes a difference Answer: points
[EX A]: no

[EX Q]: Context: Spicer: "We'll have to get back to you on that" when asked if the President will ever release his tax returns CNN Politics (@CNNPolitics) April 17, 2017 Question: who is al roker's second dad? Answer: willard scott
[EX A]:
no