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: 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: Ridiculous @VirginAustralia. No Segway boards as luggage? Too late to tell us at airport.Kids and I offloaded. Goodbye Virgin. Never again.— Russell Crowe (@russellcrowe) December 29, 2015 Question: why would crowe not board the plane? Answer: segway boards weren't allowed as luggage

Ex Output:
yes


Ex Input:
Context: why on earth do we need another Spider Man??? WHY????— Andy Cohen (@Andy) February 10, 2015 Question: where does andy ask if we need another spider man Answer: on earth

Ex Output:

yes