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: Yessir "BubbaClaus" da single drops today!! #urwelcome bubba watson (@bubbawatson) December 16, 2014 Question: who were they brought in by? Answer: parents
[EX A]: no

[EX Q]: Context: "Same thing basically." -the Pepsi ad wizards who came up with this one Joanna Robinson (@jowrotethis) April 4, 2017 Question: what are the pepsi ad wizards say? Answer: same thing basically
[EX A]: yes

[EX Q]: Context: Environmental Racism + Indifference = Lead in the Water & Blood...The Poisoning of Flint's Water 0 #FlintWaterCrisis— Cornell Brooks (@CornellWBrooks) January 24, 2016 Question: what city is mr. brooks talking about? Answer: flint, mi
[EX A]:
yes