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 Q]: Context: That moment when you win the UK's most prestigious art prize...and you're not an artist. #TurnerPrize CNN Style (@CNNStyle) December 7, 2015 Question: which category does the turner prize encompass? Answer: art
[EX A]: yes

[EX Q]: Context: BEYONCÉ IS PREGNANT AGAIN AND HAVING TWINS BLUE IS GONNA BE A BIG SISTER Jawn Valjawn (@jackiepayton) February 1, 2017 Question: how many younger siblings will blue have? Answer: two
[EX A]: yes

[EX Q]: Context: Sal Paolantonio on ESPN: "As one source close to the #Patriots told me, this was Robert Kraft reminding Roger Goodell who he works for."— Rachel Nichols (@Rachel__Nichols) January 27, 2015 Question: who reminded roger goodell who he worked for? Answer: robert kraft
[EX A]:
yes