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: "9 killed in Waco biker gang shootout - where are the white leaders decrying this white-on-white violence?" #stuffthemedianeversays John Fugelsang (@JohnFugelsang) May 18, 2015 Question: how many were killed? Answer: 9
Example Output: yes

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: This is a good tale of elitism and privilege. Thanks Ben Edelman. Josh Sternberg (@joshsternberg) December 9, 2014 Question: whose articles does josh sternberg like to tweet about? Answer: waco
Example Output:
no