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: FOOD & DRINK 
Clue: Before the introduction of Diet Coke, this was he leading diet soft drink in the U.S.

SOLUTION: tab

PROBLEM: Category: 19th CENTURY SCIENCE 
Clue: In 1824 Anglican priest William Buckland wrote a pioneering paper on Megalosaurus, a creature whose name means this

SOLUTION: lizard

PROBLEM: Category: FILM ROLES 
Clue: Dick Powell, Robert Mitchum & Elliott Gould have all played this character on film

SOLUTION:
philip marlowe