In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify this question-answer pair into two categories: (1) "yes" if the given answer is right for question, and (2) "no" if the given answer is wrong for question.

Ex Input:
Context: Pharrell's shorts. Discuss. (Side note: his wife's suit is FIERCE.) #oscarsredcarpet ANDPOP (@andpop) March 3, 2014 Question: what is it that is fierce? Answer: ypres

Ex Output:
no


Ex Input:
Context: The US Embassy in France (@USEmbassyFrance) has changed its Twitter pic to the #JeSuisCharlie image Elena Cresci (@elenacresci) January 7, 2015 Question: what imagine did it change to? Answer: je suis charlie

Ex Output:
yes


Ex Input:
Context: .@aetiology on Ebola: "Your cousin from Dallas is NOT going to turn your town into a scene from 28 Days Later." — Matt Sullivan (@sullduggery) October 1, 2014 Question: what city should not be worried about ebola? Answer: ottawa

Ex Output:

no