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.

Example Input: Category: ALL ABOUT TROMBONES 
Clue: The most common trombone bears the name of this male singing voice
Example Output: tenor

Example Input: Category: FILTHY RICH 
Clue: Worth over $15 billion, Robson, son of Sam, runs this company, the USA's largest private employer
Example Output: wal-mart

Example Input: Category: OFFICIAL STATE STUFF 
Clue: The Western hemlock, Washington's state tree, is this type, also found in the state's official nickname
Example Output:
evergreen