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: TIME FOR A "CON"TEST 
Clue: Though it possibly dates from the 16th century, the origin of this word for a punny riddle is a mystery in itself

SOLUTION: conundrum

PROBLEM: Category: DOT-COM DOOM 
Clue: The release of adverse findings of fact in the case U.S. v. this company helped spur the dot-com bust

SOLUTION: microsoft

PROBLEM: Category: WHERE'S THE "FIRE"? 
Clue: They're also known as lightning bugs

SOLUTION:
fireflies