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: THE TITLE ESCAPES ME 
Clue: 3 chimpanzees travel through time to 20th century Earth in the 1971 sequel "Escape From" this place

SOLUTION: the planet of the apes

PROBLEM: Category: AMERICAN LITERATURE 
Clue: This novel of high society made Edith Wharton the first female winner of the Pulitzer Prize for Fiction

SOLUTION: "the age of innocence"

PROBLEM: Category: FILMS OF THE '50s 
Clue: Married couple Henry & Phoebe Ephron wrote "Desk Set", starring this real-life couple

SOLUTION:
tracy & hepburn