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: 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: Katy Perry's Halftime in a nutshell Travis Lattner (@TLatt7) February 2, 2015 Question: what is this twitter page currently discussing Answer: katy perry's halftime show

Ex Output:
yes


Ex Input:
Context: My point was proven. She can't even wait 10 mins before mentioning one of our names SMH— Khloé (@khloekardashian) February 16, 2015 Question: what did khloe kardashian say was proven? Answer: her point

Ex Output:

yes