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.

Example 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
Example Output: yes

Example Input: Context: "I would never be racing in my career if it wasn't for Sir Jack" - Mark Webber (@aussiegrit) Brabham (@BrabhamOfficial) October 24, 2014 Question: who is responsible for him racing? Answer: sir jack
Example Output: yes

Example Input: Context: Sheriff David Clarke: "I would like to make something very clear — blue lives matter" CNN Politics (@CNNPolitics) July 19, 2016 Question: who believes blue lives matter? Answer: sheriff david clarke
Example Output:
yes