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: A CAPITAL IDEA 
Clue: Empress Taitu chose the name of this Ethiopian capital; it means "new flower"

SOLUTION: addis ababa

PROBLEM: Category: SEX CHANGES 
Clue: Don't let the pearls fool you, these lady bivalves can change into males when it suits them

SOLUTION: oysters

PROBLEM: Category: OFF TO THE MOVIES 
Clue: Jack Black wrestles with a problem & cooks up a scheme to save a monastery in this 2006 film

SOLUTION:
nacho libre