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: SHAKESPEARE 
Clue: "As You Like It" is partially set in the forest of this

SOLUTION: arden

PROBLEM: Category: A BUSINESS IS BORN 
Clue: The first drug-store in this chain began operating out of a Chicago hotel in 1901; in 2009 the 7,000th store opened

SOLUTION: walgreens

PROBLEM: Category: LAW 
Clue: In Latin legal lingo it means "by the fact itself"

SOLUTION:
ipso facto