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: Back at hotel now after Etna explosion. Here's @NewsCamerawoman with the massive hole a lump of rock burnt through her coat. Rebecca Morelle (@BBCMorelle) March 16, 2017 Question: who does rebecca morelle work for? Answer: davidcorndc

Output: no

Input: Consider Input: Context: Two Duchess of Cambridge images have joined @NPGLondon's #Vogue100 exhibition from today: VOGUE.CO.UK (@BritishVogue) May 1, 2016 Question: who joined vogue100 exhibition? Answer: two dutchess of cambridge

Output: yes

Input: Consider Input: Context: .@stephenathome my kids tell me they're learning about Charles Darwin in school...Common Core math is getting weird. Gov. Bobby Jindal (@BobbyJindal) October 1, 2014 Question: what are his kids learning about? Answer: steven gerrard
Output: no