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: I mean, I dont' write obits but I'm pretty sure you're only meant to publish when the person in question is dead? Ed Yong (@edyong209) October 14, 2016 Question: who was a friend to joan jett? Answer: kim was a friend to joan jett

Ex Output:
no


Ex Input:
Context: Dracula never attacked those women. No proof. Did you see what they looked like. Anemic for sure. #TrumpBookReport— Marius Strydom (@Marius_Man) October 20, 2016 Question: who never attached those women? Answer: dracula

Ex Output:
yes


Ex Input:
Context: .@realDonaldTrump, are you sure you are getting enough sleep? #MorningJoe Nancy Pelosi (@NancyPelosi) June 9, 2017 Question: what is john's concern about california? Answer: that they're having a major drought.

Ex Output:

no