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: ENGINEERING 
Clue: The first one, built in 1893, consisted of 2,200 tons of steel, rose 268 feet & had 36 cars each carrying 60 people

Answer: ferris wheel


Question: Category: CHILDREN'S BOOKS 
Clue: It's the first in a trilogy of books that also includes "In The Night Kitchen" & "Outside Over There"

Answer: \"where the wild things are\"


Question: Category: OLD WARNINGS 
Clue: Archaeologists have discovered a home entrance in ancient Pompeii with the words "cave canem", meaning this

Answer:
beware of dog