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.

[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
[A]: yes

[Q]: Context: LeBron James is returning to the Cleveland Cavaliers, a source tells uuu. @KingJames #LeBronToClev Chris Sheridan (@sheridanhoops) July 9, 2014 Question: which sources says lebron james is returning to cleveland? Answer: sheridanhoops.com
[A]: yes

[Q]: Context: Testing... testing... Is this thing on?? Tom Hanks (@tomhanks) January 11, 2010 Question: who missed something in cuba? Answer: alan p gross
[A]:
no