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: I'm running for Governor. VA will remain the firewall vs Trump- our values worth defending: Tom Perriello (@tomperriello) January 5, 2017 Question: which state will remain the firewall vs trump? Answer: virginia
Example Output: yes

Example Input: Context: Coach Sullivan: "We had a lot of guys who were banged up. They played through a lot to win the Stanley Cup."— Pittsburgh Penguins (@penguins) June 16, 2016 Question: who won the stanley cup? Answer: 15 years
Example Output: no

Example Input: Context: Good luck to our Persian Cheetahs as they take on the Bosnian Dragons! No matter the result you boys have made us proud! Go #TeamMelli— Hassan Rouhani (@HassanRouhani) June 25, 2014 Question: which team does hassan rouhani root for? Answer: outstandingly
Example Output:
no