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.

Ex 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

Ex Output:
yes


Ex Input:
Context: The progress we made today in #Munich can and must improve the lives of the Syrian people.— John Kerry (@JohnKerry) February 12, 2016 Question: who made progress in munich in february 2016? Answer: the usa

Ex Output:
yes


Ex Input:
Context: We have learned today that Bosco Ntaganda entered Rwanda and surrendered to US Embassy in Kigali— Louise Mushikiwabo (@LMushikiwabo) March 18, 2013 Question: where did bosco ntaganda enter? Answer: fox world cup

Ex Output:

no