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: My mom bought new conditioner and it sucks it isn't even conditioning my hair I blame obama— DONT FOLLOW (@heatherfarley98) August 5, 2013 Question: what time does the show start? Answer: 7pm est
[EX A]: no

[EX Q]: Context: It's been one year since these four boys decided to be strong and stay for us # One Direction (@1DsUniverse) March 25, 2016 Question: how long has it been without zayn? Answer: one year
[EX A]: yes

[EX Q]: Context: What an amazing week at the @KNCGolf !! A dream come true for sure :) thank you so much to everybody involved for making it possible!:)— Lexi Thompson (@Lexi) April 7, 2014 Question: how long of a time was it Answer: a week
[EX A]:
yes