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: FAMILIAR PHRASES 
Clue: It's "The shortest distance between two points"

SOLUTION: straight line

PROBLEM: Category: L.A. 2000 
Clue: (Hi, this is Dick Riordan, mayor of Los Angeles)  This L.A. landmark that celebrates its 77th anniv. in 2000 was originally built to promote a real estate development

SOLUTION: the "hollywood" sign

PROBLEM: Category: FORGOTTEN MUSICALS 
Clue: Exiting after only 19 performances, "Ari" wasn't based on Onassis, but on this Leon Uris novel

SOLUTION:
"exodus"