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: Q7: What's the best way to promote your tech startup? And how important is it to attract media attention? #CNNAfrica CNN African Start-Up (@cnnafricanstart) January 14, 2015 Question: what kind of businesses are being addressed by cnn africa? Answer: tech startups
Example Output: yes

Example Input: Context: Alex Jones arrived at Citizens for Trump rally Greg Krieg (@GregJKrieg) July 18, 2016 Question: what was the name of the trump ralley Answer: citizens for trump
Example Output: yes

Example Input: Context: Good to see Mitt Romney suddenly talking about working families. Are corporations still people too, Mitt?— Elizabeth Warren (@elizabethforma) January 18, 2015 Question: what is it good to see mitt romney suddenly talking about? Answer: kallis
Example Output:
no