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: Sold out on Barbie collection, I'm told. More available at Amazon. What the hell is going on? #bananas#nuts#whoahttps:// Ava DuVernay (@AVAETC) December 7, 2015 Question: what is ava duvernay wondering about? Answer: barbie collection being sold out

Ex Output:
yes


Ex Input:
Context: People here are cutting back on groceries to make ends meet. Less water means less farm work. #endangeredriver John D. Sutter (@jdsutter) June 18, 2014 Question: on what are people cutting back? Answer: right part of tail section

Ex Output:
no


Ex Input:
Context: Bloody republican lefties leave Prince Philip alone. He has done heaps for Australia. He let us put a picture of his wife on our money...— Wil Anderson (@Wil_Anderson) January 25, 2015 Question: where did prince philip allow australians to officially display his wife's picture Answer: lead with action

Ex Output:

no