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.

[Q]: 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
[A]: no

[Q]: Context: Maybe if we could see natural gas leaks people would be more outraged by them (and we'd stop them faster)? John D. Sutter (@jdsutter) January 14, 2016 Question: what kinds of leaks should people be outraged by and stopping faster? Answer: natural gas leaks.
[A]: yes

[Q]: Context: Peaceful protest today has received excessive police backlash, they have called backup and we are not sure what is going on #exposeevergreen halla (@HallaWarner1) May 23, 2017 Question: what was received at today's peaceful protest? Answer: police backlash
[A]:
yes