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: First lady Michelle Obama talks about raising children in the White House #DemsInPhilly CNN Politics (@CNNPolitics) July 26, 2016 Question: what is michelle obama talking about? Answer: bay village pd

Ex Output:
no


Ex Input:
Context: Did you miss the first half? Here's what it looked like on our live blog: #CNNWorldCup CNN Football Club (@CNNFC) July 8, 2014 Question: who was the world cup against? Answer: van gaal

Ex Output:
no


Ex Input:
Context: #Tavurvur this AM, #Rabaul district affected so far, @BurnetInstitute staff all ok, hoping all closer got out #PNG. Shelley Hendel (@Shelleyjlh) August 29, 2014 Question: what is burnet institute staff safe from? Answer: the sign language guy.

Ex Output:

no