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: Transgender people deserve respect, safety, and equal treatment everywhere. Good move by @TSA. Hillary Clinton (@HillaryClinton) October 16, 2015 Question: what do all transgenders deserve? Answer: vessels.

Ex Output:
no

Ex Input:
Context: To accompany @grinsli story on hidden cameras discovered u, here's how to spot them: Josh Levs (@JoshLevs) November 10, 2014 Question: how can you spot the camera? Answer: what's the first grinsli story?

Ex Output:
yes