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.

Category: '90s MUSIC 
Clue: "Everyday Is A Winding Road" for this singer who used to back Michael Jackson
sheryl crow

Category: ENTERTAINERS 
Clue: Lauren Bacall coined this name for a carousing group including Humphrey Bogart, Judy Garland & Frank Sinatra
\"the rat pack\"

Category: THE LIBRARY 
Clue: Defacing books or shouting or throwing spitballs at the other readers

three activities prohibited in the library