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.

Q: Category: DEMOGRAPHICS 
Clue: In 2005 the World Health Organization appropriately decided to stop hiring people who do this

A: smoke
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Q: Category: INVENTIONS 
Clue: Josephine Cochrane's 1886 version of this consisted of a copper boiler, wire baskets & a pump

A: a dishwasher
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Q: Category: FAMILIAR PHRASES 
Clue: This 3-word phrase originated with a signal sent by General Sherman; today it means to be in charge temporarily

A:
hold the fort
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