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: After many years of LEAKS going on in Washington, it is great to see the A.G. taking action! For National Security, the tougher the better!— Donald J. Trump (@realDonaldTrump) August 5, 2017 Question: who is taking action because of leaks around washington according to donald trump? Answer: ag

Ex Output:
yes


Ex Input:
Context: Katy Perry rocking the Wii safety strap during the halftime show. #SuperBowl Funny Or Die (@funnyordie) February 2, 2015 Question: who was wearing a safety strap? Answer: katy perry

Ex Output:
yes


Ex Input:
Context: Sad to lose Nola @sandiegozoo Now only 3 northern white rhinos remain on our planet. #Nola4Ever #anthropocene. Edward Burtynsky (@edwardburtynsky) November 23, 2015 Question: what zoo lost nola? Answer: jbpurpose

Ex Output:

no