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.

Input: Consider 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

Output: yes


Input: Consider Input: Context: Future brought on Young Thug to perform Best Friend #SummerSixteen 🐍🐍🐍 Young Thug Direct (@YoungThugDirect) August 5, 2016 Question: what is young thug performing? Answer: flood prep

Output: no


Input: Consider Input: Context: Nina leaving TVD is the worst thing that has ever happened in this fandom and we're not gonna survive this— no nina = no tvd (@iDamonAndElena) April 7, 2015 Question: whose departure is the worst thing to have ever happened? Answer: nina's


Output: yes