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: EARLY ART 
Clue: This art form of setting stones or glass into mortar was the main decorative art of the Byzantine Empire

SOLUTION: mosaic

PROBLEM: Category: POETS & POULTRY 
Clue: Last name of William Carlos, who wrote, "So much depends upon a red wheel barrow beside the white chickens"

SOLUTION: williams

PROBLEM: Category: DRESS CASUAL 
Clue: An effort at concealing facts by people in power, or a beach or pool garment such as a pareo

SOLUTION:
a cover-up