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: We here at @united are just trying to police the attire of the daughters of our employees! That's all! Cool, right? Seth Rogen (@Sethrogen) March 26, 2017 Question: united is trying to police the attire of the daughters of who? Answer: our employees

Ex Output:
yes


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: #LillyforTarget OMG have I died and gone to heaven?!— Bows, Pearls & Curls (@BowsPearlsCurl1) January 6, 2015 Question: what is bowls, pearls and curls happy about? Answer: @letour.

Ex Output:

no