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: Reported incidents of racism on rise means we're winning the battle | Roisin Wood (Pic: Getty) Guardian sport (@guardian_sport) March 2, 2015 Question: what are the people holding up in the picture? Answer: a flag and a banner

Ex Output:
yes


Ex Input:
Context: Katherine Webb doing her best impression of Stefon from SNL after McCarron's fumble. #SugarBowl #OUvsBama — Jason Martinez (@JasonMartinezTV) January 3, 2014 Question: who is doing an impression of stefon from snl? Answer: katherine webb

Ex Output:
yes


Ex Input:
Context: Stewart Mandel @slmandelThis Arizona UCLA game has been fun!1/21/2017, 11:02:34 PM Question: what is it that was fun? Answer: arizona ucla game

Ex Output:

yes