instruction:
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.
question:
Category: STUPID ANSWERS: THE BRITISH EDITION 
Clue: The Garden Tower at the Tower of London was the scene of some bloody goings-on, so now it's known as this
answer:
the bloody tower


question:
Category: YOU NEED THERAPY 
Clue: In the hyperbaric type of this "therapy", the patient inhales the pure gas in a large chamber
answer:
oxygen


question:
Category: GEMS 
Clue: Isle Royale greenstone, this state's official gem, is found on Isle Royale in Lake Superior
answer:

michigan