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: President and Mrs @GeorgeHWBush wishing President Carter a quick recovery today: "God bless him, and we hope he is fine."— Jim McGrath (@jgm41) July 13, 2017 Question: who does president and mrs. hw bush hope is fine? Answer: president carter

Ex Output:
yes


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: 'THE BIG BANG THEORY' pays tribute to Leonard Nimoy by ending its latest episode with the following image & caption: Superhero Feed (@SuperheroFeed) March 6, 2015 Question: what show pays tribute to leonard nimoy? Answer: by thursday

Ex Output:

no