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: From #SurrenderCobra to #PrayingMantis: #MSUvsIOWA #B1GFCG RedditCFB (@RedditCFB) December 6, 2015 Question: what is the second hashtag? Answer: friday
Example Output: no

Example Input: Context: Pac never said goodbye to me before leaving for LA. He had to leave abruptly and it wasn't to pursue his career.— Jada Pinkett Smith (@jadapsmith) June 16, 2017 Question: who had to leave abruptly? Answer: pac
Example Output: yes

Example Input: Context: What works: World's most expensive road cuts thru mountains and across rock strewn rivers But is it vfm? #CNNSochi Ben Wyatt (@BenWyattCNN) February 4, 2014 Question: other than mountains, what else does the "worlds most expensive road" cut through? Answer: rivers
Example Output:
yes