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: "Sailboat racing is like a rugby team playing chess in a F1 car" - Laurent Pagès, Team Brunel #VOR Volvo Ocean Race (@volvooceanrace) September 16, 2014 Question: what kind of car is the rugby team? Answer: f1
[EX A]: yes

[EX Q]: Context: #Ferguson protesters spill into 101 Fwy lanes at Grand Ave, DTLA #TRAFFICALERT ABC7 Eyewitness News (@ABC7) November 26, 2014 Question: what did the rule attemp to sabotage? Answer: the affordable care act
[EX A]: no

[EX Q]: Context: If Romney and Obama switched hair with their wives... #Debates Shelby White (@shelbywhite) October 17, 2012 Question: who are the two politicians mentioned in the tweet? Answer: romney and obama.
[EX A]:
yes