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 simplicity, answers should be in all lower cased letters.
question:
Category: ANIMAL PLANET? 
Clue: In gymnastics, it's safe to vault over; its body is upholstered
answer:
horse


question:
Category: 19th CENTURY LITERARY QUOTES 
Clue: This vessel under Captain Nemo was "cigar in shape" with "two hulls, one inside, the other outside"
answer:
the nautilus


question:
Category: WE ALL WANT TO CHANGE THE WORLD 
Clue: A choice she made on Dec. 1, 1955 would lead to a Supreme Court ruling & Martin Luther King's rise to  fame
answer:

rosa parks