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: Zack and @BigIdahoPotato present the Big Potato. $18000 to the Columbus Foundation! Potato Stock (@PotatoStock) September 27, 2014 Question: what foundation is this tweet talking about Answer: the columbus foundation

Ex Output:
yes


Ex Input:
Context: He's a #Trump adviser who once ran the @CIA. So, where does James Woolsey stand on the debate over Russian hacking? OutFrontCNN (@OutFrontCNN) December 13, 2016 Question: who is a trump adviser who once ran the @cia? Answer: aleppo.

Ex Output:
no


Ex Input:
Context: Never lose sight of the fact that our ultimate goal is not just playing defense. Our goal is a Medicare-for-all, single payer system.— Bernie Sanders (@SenSanders) March 12, 2017 Question: what is our goal, according to this tweeter? Answer: a medicare-for-all, single payer system.

Ex Output:

yes