TASK DEFINITION: You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
PROBLEM: Category: MAGAZINES & NEWSPAPERS 
Clue: The USA’s 2 top-selling magazines are Reader’s Digest & TV Guide; this “Better” magazine comes in third

SOLUTION: better homes and gardens

PROBLEM: Category: ROYAL WOMEN 
Clue: Nori, his daughter, only fit the category until Nov. 15, 2005, when she married a commoner

SOLUTION: akihito

PROBLEM: Category: YOU BETTER KNOW SOME SCIENCE 
Clue: It was an atom of this element that Otto Hahn split in 1938

SOLUTION:
uranium