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: 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: So very sad to hear the awful news about Anton Yelchin. Such a fine actor with his whole career ahead of him. He will be remembered always.— Mark Hamill (@HamillHimself) June 19, 2016 Question: who was sad to hear some awful news? Answer: coordinated blood bank donations.
Example Output: no

Example Input: Context: I can't believe I wasted 92 hours of my life watching #TrueBlood with that stupid series finale. What the hell. #truebloodfinale— Liz Long (@LizCLong) August 25, 2014 Question: how many hours of watching does the true blood series total? Answer: 92 hours
Example Output:
yes