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: BEYONCÉ IS PREGNANT AGAIN AND HAVING TWINS BLUE IS GONNA BE A BIG SISTER Jawn Valjawn (@jackiepayton) February 1, 2017 Question: how many younger siblings will blue have? Answer: two

Ex Output:
yes


Ex Input:
Context: Diggers moving in as children still outside of safe accommodation in #CalaisJungle @SaveUKNews Dorothy Sang (@DorothySang) October 27, 2016 Question: where are the children as diggers move in? Answer: outside of safety accommodation

Ex Output:
yes


Ex Input:
Context: A quick sketch of "Tears" (Man Ray) from @twitter! #vine #magic Ian Padgham (@origiful) January 24, 2013 Question: what is the quick sketch of? Answer: surgeon general

Ex Output:

no