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: Rose McGowan BLASTS Ray Rice Halloween costume TMZ (@TMZ) October 23, 2014 Question: who is the celebrity mentioned in the tweet? Answer: rose mcgowan.

Ex Output:
yes


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: Still dragging the boat through mucky water that looks like cake batter. See a clearing, thank god. #endangeredriver John D. Sutter (@jdsutter) June 23, 2014 Question: what country has russia taken? Answer: crimea

Ex Output:

no