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 Input:
Context: “Without courage, we cannot practice any other virtue with consistency.” -The courageous & inimitable Dr Maya Angelou John Conyers (@repjohnconyers) May 28, 2014 Question: what can we not practice without courage? Answer: any other virtue with consistency.

Ex Output:
yes


Ex Input:
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 Output:
yes


Ex Input:
Context: I've become a certified psychological first aider, no longer stereotypes people at all. #Westgate6Months— sonie (@liliannyagah1) March 18, 2014 Question: who do willie robertson have things in common with? Answer: trump

Ex Output:

no