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: Introducing: Bouncy Aisles, in-store from Friday. Those pesky products on high shelves better watch out... Tesco (@Tesco) April 1, 2015 Question: how are height issues being addressed? Answer: bouncy aisles.

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: Calling all my CMO and Advertising friends who were planning to go to @CES to express your thoughts to @CES on this issue. #diversity#innovationnothomogeneity. #changetheratio. BradJakeman (@BradJakeman) December 2, 2017 Question: bradjakeman is calling all of what kind of friends to express their thoughts? Answer: kim and kanye vogue

Ex Output:

no