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: InsideHoops.com NBA @InsideHoopsWizards assistant coach Sidney Lowe has been fined $5,000, and the Wizards were fined $15,000 by the NBA: , 12:12:57 AM Question: what did nba do to wizards' assistant coach? Answer: vandals

Ex Output:
no


Ex Input:
Context: Robert Kraft says he expects an apology from the NFL if investigation does not "definitively determine" the Patriots tampered w/footballs— Rachel Nichols (@Rachel__Nichols) January 27, 2015 Question: what does robert kraft expect if the nfl fails to conclude the patriots tampered with the footballs? Answer: an apology

Ex Output:

yes