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: SIGNS & SYMBOLS 
Clue: It's the 2-word phrase symbolized here

SOLUTION: handicapped access

PROBLEM: Category: ANCIENT GREEKS 
Clue: This actor of the 6th century B.C. is credited with introducing the use of masks on stage

SOLUTION: thespis

PROBLEM: Category: BRITISH ART & ARTISTS 
Clue: Briton Riviere was lionized for his painting of this man "In The Lions' Den"

SOLUTION:
daniel