Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Which English Leicester-born boxer fought Marvin Hagler in 1983 for the WBC and WBA World Middleweight titles and lost by a technical knockout in the sixth round?
boxing

Which Football League club play their home games at Kingsmeadow, also known as the Cherry Red Records Stadium?
kingsmeadow

What is now Africa's biggest country in terms of land area after the split of Sudan?
africa