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.

Example Input: Context: 1 President is real. W/Pres Nieto in #Mexico. Good meeting a man also making progress in his 1st year in office. @EPN Kevin Spacey (@KevinSpacey) May 7, 2014 Question: where was kevin spacey? Answer: mexico
Example Output: yes

Example 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
Example Output: yes

Example Input: Context: .@RepAlGreen plays racist calls after his speech on impeachment of #DonaldTrump at a packed townhall w/ supporters #ImpeachDonaldTrumpNow Mustafa Tameez (@MustafaTameez) May 20, 2017 Question: what was green's speech about? Answer: pwc
Example Output:
no