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.

Ex Input:
Context: OMG NOT AGAIN , YOU KNOW WHAT IM OUT BYE #theshoe 9 — elsa (@recovercam) July 9, 2015 Question: what is the tweet in reference to? Answer: the shoe

Ex Output:
yes


Ex Input:
Context: Man chill y'all damn 😭😭 some random nigga (@youngtravo) February 9, 2015 Question: who is he asking to chill? Answer: y'all

Ex Output:
yes


Ex Input:
Context: Tried protecting generator from shrapnel with sand bags. Attacks have destroyed emergency rooms, entire hospitals. 1 Doctors w/o Borders (@MSF_USA) November 19, 2016 Question: what have attacks destroyed? Answer: emergency rooms and entire hospitals

Ex Output:

yes