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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: PARADISE LOST 
Clue: Completes the famous line from Book I, "Better to reign in hell, than..."

SOLUTION: serve in heaven

PROBLEM: Category: THE FORTUNE 500 
Clue: Despite a 57% drop in profits last year, this oil company, No. 2, is still the most profitable co. on the list

SOLUTION: exxon mobil

PROBLEM: Category: A TRIP TO OUTER SPACE 
Clue: Kohoutek, Shoemaker-Levy & Halley's are all names for these astronomic objects

SOLUTION:
comets