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: Later today Prince Harry will be revealing his secret in support of @Sentebale #FeelNoShame campaign for #WorldAIDSDay— Clarence House (@ClarenceHouse) December 1, 2014 Question: prince harry is taking part in a campaign for which charity? Answer: sentebale

Ex Output:
yes


Ex Input:
Context: Nomination process known for a year + beyond. It's the responsibility of the campaigns to understand it. Complaints now? Give us all a break— Reince Priebus (@Reince) April 13, 2016 Question: what is he telling people who are complaining? Answer: give him a break.

Ex Output:
yes


Ex Input:
Context: The iTunes Store wasn't built in a day. It took Spotify 9 years to be successful...— Mr. Carter (@S_C_) April 26, 2015 Question: how long did it take for spotify to be successful? Answer: 3

Ex Output:

no