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: .@Pontifex reaches out to a woman at St. Patrick's Cathedral who cannot stand up. #PopeInNYC Anderson Cooper 360° (@AC360) September 25, 2015 Question: what is wrong with the woman ? Answer: her heart

Ex Output:
no


Ex Input:
Context: We introduce the girls to mentors who are females in STEM and these mentors teach the girls to code #thisisafrica Regina Agyare (@ragyare) September 24, 2014 Question: what are these girls and their mentors involved in? Answer: stem

Ex Output:
yes


Ex Input:
Context: WORLD PREMIERE: Hardest working man in show business teams with @Apple & the greatest assistant on the planet. #DominateTheDay #ROCKxSIRI Dwayne Johnson (@TheRock) July 24, 2017 Question: what type of premiere happened? Answer: world

Ex Output:

yes