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: The public needs to know 5 key messages on climate crisis, says Ed Maibach from George Mason. Worth writing down. #climatechangeshealth John D. Sutter (@jdsutter) February 16, 2017 Question: who needs to know this information? Answer: second
Example Output: no

Example Input: Context: I can't believe the news about Robin Williams. He gave so much to so many people. I'm heartbroken.— Ellen DeGeneres (@TheEllenShow) August 11, 2014 Question: who is heartbroken about robin wiliams? Answer: ellen degeneres
Example Output: yes

Example Input: Context: This image was captured by @pkopoku during our @Techneedsgirls workshop in the slum in Nima #AfricanChildDay Regina Agyare (@ragyare) June 16, 2014 Question: which twitter user took this picture? Answer: family and spouses
Example Output:
no