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: From backflips to @Koreanfan_KC, there's been magic brewing in Kansas City all year long: MLB (@MLB) October 9, 2014 Question: who was part of the magic brewing in kansas city Answer: koreanfan_kc
[EX A]: yes

[EX Q]: Context: @kelly_clarkson huge fan here and I think you are AMAZING! I also believe this ❤ Kindness Matters! Ayel Rocks Kindness (@AyelAyel23) July 5, 2017 Question: what food is mentioned? Answer: a donut
[EX A]: no

[EX Q]: Context: Chinese will never be our friends. They are wired to look down on blacks. They love us for the roads tenders and ivory! #NoBlacksAllowed— Donald B Kipkorir (@DBK017) March 23, 2015 Question: who doesn't the chinese like? Answer: blacks
[EX A]:
yes