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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: STAGE NAMES 
Clue: Riley is the first name of this guitarist whose stage initials stand for "Blues Boy"

SOLUTION: b.b. king

PROBLEM: Category: OPENING LINES OF SHAKESPEARE 
Clue: "Now is the winter of our discontent made glorious summer by this sun of York"

SOLUTION: richard iii

PROBLEM: Category: TIME TO "D"ECIDE 
Clue: It's a joke that doesn't get a laugh, or an explosive that fails to detonate

SOLUTION:
dud