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: i will say this only once:taylor swift is not in the slytherin house, she just has slytherin friends— yung sweet lassi (@andnowtothemoon) August 21, 2017 Question: how do they get sorted? Answer: the sorting hat, first day
[EX A]: yes

[EX Q]: Context: Congrats @PattyArquette! Thx for using your speech to advocate for #EqualPay and for understanding that when women succeed, America succeeds— Valerie Jarrett (@vj44) February 23, 2015 Question: @pattyarquette advocated for what in her speech? Answer: #equalpay
[EX A]: yes

[EX Q]: Context: CNN EXCLUSIVE: @LuisFigo enters the race to become the next FIFA president. 9 #CNNFC CNN Football Club (@CNNFC) January 28, 2015 Question: what does kingsley want done to the structure of government. Answer: reform
[EX A]:
no