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: Greetings from the #MTVAwards carpet, that's also a pre-show concert. Covering for @usatodaylife. Come hang out Carly Mallenbaum (@ThatGirlCarly) May 7, 2017 Question: what is at the mtvawards carpet? Answer: the open.

Ex Output:
no


Ex Input:
Context: Kurt Helin @basketballtalkBrilliant dig: Knicks fans chant “Derek Fisher” as Kings’ Matt Barnes inbounds ball , 4:18:07 AM Question: what are the fans chanting? Answer: derek fisher

Ex Output:
yes


Ex Input:
Context: Zach Lowe @ZachLowe_NBAAlso keeps Payton attached to Vooch -- a plus shooter at C, and a comfortable pick-and-roll partner for Elf. Vooch still wants to start, tho12/5/2016, 2:21:19 AM Question: who is attached to vooch? Answer: payton

Ex Output:

yes