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: tbh I'm worried Justin Bieber is devising an elaborate plan to try and break out of prison Scare-ica Steiner 👻 (@SendARavenPlz) October 21, 2017 Question: what type of plan is the prison break? Answer: radio transmissions
Example Output: no

Example Input: Context: Man chill y'all damn 😭😭 some random nigga (@youngtravo) February 9, 2015 Question: who is he asking to chill? Answer: y'all
Example Output: yes

Example Input: Context: Ending sexual harassment in astro also requires 2-pronged approach. 1- stopping the perpetrator and 2- empowering the victims. Allies is #2— Astronomy Ally (@AstronomyAllies) October 21, 2015 Question: what is the first step to the 2-pronged approach? Answer: stopping the perpetrator.
Example Output:
yes