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: TV TITLE ROLES 
Clue: Orphaned 7-year-old Emmanuel Lewis

SOLUTION: webster

PROBLEM: Category: 4-F 
Clue: 2-word term for secretaries, bookkeepers, receptionists, etc.

SOLUTION: office staff

PROBLEM: Category: BRAIN TEASE 
Clue: These brain cells that transmit nerve impulses number in the billions

SOLUTION:
neurons