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: AP NFL @AP_NFLPatriots backup QBs played key role in Super Bowl run @khightower #SB51 , 7:33:06 PM Question: who played a key role in patriots super bowl run? Answer: backup qbs

Output: yes


Input: Consider Input: Context: Stewart Mandel @slmandelThis Arizona UCLA game has been fun!1/21/2017, 11:02:34 PM Question: what is it that was fun? Answer: arizona ucla game

Output: yes


Input: Consider Input: Context: Huge asteroid shooting star thing entering atmosphere over Vegas. July 27th 2016 9:40 p.m. Trevor Kerr (@AdmiralTrevMan) July 28, 2016 Question: what was the asteroid/shooting star? Answer: pepsi


Output: no