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: GODS & GODDESSES 
Clue: Augustus Caesar encouraged the worship of this god who was considered the avenger of Julius Caesar

SOLUTION: mars

PROBLEM: Category: EUROPEAN PRINCESSES 
Clue: On July 20, 1999 she gave birth to her fourth child, Princess Alexandra of Hanover

SOLUTION: princess caroline of monaco

PROBLEM: Category: BESTSELLING AUTHORS 
Clue: Since coming on the beat, he's had more N.Y. Times bestsellers than any other author, including over 20 in the last 5 years

SOLUTION:
james patterson