instruction:
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.
question:
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
answer:
yes


question:
Context: kanye petty af to do this on taylor swift birthday tho— Desus Nice (@desusnice) December 13, 2016 Question: whose birthday did desus mention? Answer: taylor swift
answer:
yes


question:
Context: I wanted to clarify my comments on "thugs." When you speak out of frustration and anger, one can say things in a way that you don't mean.— Mayor Rawlings-Blake (@MayorSRB) April 29, 2015 Question: is someone explaining themself in a way? Answer: clarify my comments
answer:

yes