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: Outkast better be involved in the halftime festivities at the #SuperBowl in Atlanta or else.— ashley (@aplusashley) May 25, 2016 Question: who does ashley want to be performing at super bowl atlanta? Answer: outkast
[EX A]: yes

[EX Q]: Context: Katy Perry rocking the Wii safety strap during the halftime show. #SuperBowl Funny Or Die (@funnyordie) February 2, 2015 Question: who was wearing a safety strap? Answer: katy perry
[EX A]: yes

[EX Q]: Context: I had to use sideburns, a mullet & a taxi cab for #TestDrive2. Yea, you'll want to watch this -> . Made w/ @PepsiMAX.— Jeff Gordon (@JeffGordonWeb) February 27, 2014 Question: who used sideburns and a mullet? Answer: jeff gordon
[EX A]:
yes