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.

Example 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
Example Output: yes

Example Input: Context: Choo chooooooo all aboard the Ryan Lochte trainwreck. 🚂 #DWTS— Rebecca (@rebeccaaa13) September 13, 2016 Question: tell me if you think this was a good idea Answer: i dont know who you are
Example Output: yes

Example Input: Context: Corey Menafee says he wasn't looking to be dubbed a hero but he's glad his actions weren't in vain. — Wes Duplantier (@breaking203) July 12, 2016 Question: who didn't want to be a hero? Answer: fort lauderdale
Example Output:
no