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

Answer: a dishwasher


Question: Category: EXPLORERS 
Clue: On hearing of the discovery of George Mallory's body, this man told reporters he still thinks he was first

Answer: sir edmund hillary


Question: Category: SPORTS PHRASES 
Clue: This phrase for the sport of Sugar Ray Robinson is attributed to 19th century writer Pierce Egan

Answer:
the sweet science