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: FICTIONAL DETECTIVES 
Clue: "The House Without a Key" was the first case solved by this Chinese detective

SOLUTION: charlie chan

PROBLEM: Category: 9-LETTER WORDS 
Clue: Trees that shed their leaves annually are described by this adjective

SOLUTION: deciduous

PROBLEM: Category: THE BOY SCOUTS 
Clue: A trumpet or coronet may be used to earn this Boy Scout badge

SOLUTION:
bugling