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: THE NATIONAL TOY HALL OF FAME 
Clue: Initial sales for it were sluggish, but demonstrations of how it walked down stairs at Gimbels made it walk off shelves

Answer: a slinky


Question: Category: MR. BODY 
Clue: Fed by the hepatic portal veins, it weighs about a pound more in men than in women

Answer: liver


Question: Category: DISNEY FILMS BY SONGS 
Clue: "I Wanna Be Like You" & "The Bare Necessities"

Answer:
the jungle book