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.

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.
yes

Context: Zack and @BigIdahoPotato present the Big Potato. $18000 to the Columbus Foundation! Potato Stock (@PotatoStock) September 27, 2014 Question: what foundation is this tweet talking about Answer: the columbus foundation
yes

Context: Very proud to win the Ballon d'Or for the second time, it means so much to me. I thank my teammates. Cristiano Ronaldo (@Cristiano) January 13, 2014 Question: how many times did ronaldo win ballon d’or? Answer: twice

yes