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: Excited to reveal my @Cosmopolitan cover shot by James White! Get your copy next week 🙌 Gwen Stefani (@gwenstefani) August 4, 2016 Question: who did the cover shot? Answer: james white

A: yes
****
Q: Context: We are hungry, we are suffering and all you could up with in your Ac-eed office is #ChangeBeginsWithMe I don't know whether to howl or hiss— CPM (@signetseal) September 8, 2016 Question: what is the writer? Answer: hungry and suffering

A:
yes
****