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.

Input: Consider Input: 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

Output: yes


Input: Consider Input: Context: A4: Investors want to see a prototype, build something before you ask for money. #CNNAfrica— Erik Hersman (@whiteafrican) January 14, 2015 Question: who wants to see a prototype? Answer: lebron

Output: no


Input: Consider Input: Context: Had to head out to Middlemarch to find clear sky tonight Here's a pic taken at 21:26 #Dunedin #aurora #astronomy Ian Griffin (@iangriffin) March 18, 2015 Question: what kind of phenomena can be described in this photo? Answer: an aurora


Output: yes