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: Fine, Regina. But on Thursday we wear Purple. #SpiritDay (join me to support LGBT youth tomorrow). Reggie Aqui (@reggieaqui) October 16, 2014 Question: who is being supported by wearing purple on #spiritday? Answer: lgbt youth
Example Output: yes

Example Input: Context: 9 yr old Jacobeth needs urgent med-evac for operation, hurt by falling roof which killed her mother,brother #Vanuatu Ivan Watson (@IvanCNN) March 17, 2015 Question: how did 9 year old jacobeth get hurt? Answer: the effort of firefighters
Example Output: no

Example Input: Context: John McCain is an American hero. I have nothing but respect for his service to our country.— Gov. Bobby Jindal (@BobbyJindal) July 18, 2015 Question: according to bobby what is john mccain? Answer: an american hero
Example Output:
yes