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.

[Q]: Category: WITCHCRAFT 
Clue: Until Dorothy showed up, these small folks toiled as slaves for Oz' Wicked Witch of the East
[A]: munchkins


[Q]: Category: BUSINESS & INDUSTRY 
Clue: This package delivery firm was founded in 1907 as the American Messenger Company
[A]: ups


[Q]: Category: SINGERS ON FILM 
Clue: Dr. Frankenstein, played by this "Police" man, gave Jennifer Beals every breath she took as "The Bride"
[A]:
sting