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: .@Pontifex reaches out to a woman at St. Patrick's Cathedral who cannot stand up. #PopeInNYC Anderson Cooper 360 (@AC360) September 25, 2015 Question: what is wrong with the woman ? Answer: her heart
Example Output: no

Example Input: Context: Scheppelmann: "The lyrical family is in mourning, but we are not alone. Today we dedicate the performance to all victims" Gran Teatre Liceu (@Liceu_cat) March 25, 2015 Question: who do they dedicate the performance to? Answer: a smile
Example Output: no

Example Input: Context: "Today I was in a real zone," says #Petkovic. "I stepped up my game when I needed to. That gives me confidence" #RG14 Roland Garros (@rolandgarros) June 4, 2014 Question: what gave petkovic confidence? Answer: stepped up her game when she needed to
Example Output:
yes