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.

Ex Input:
Category: SCIENCE FICTION 
Clue: A recent re-issue of this Sir Arthur Conan Doyle novel includes an introduction by Michael Crichton

Ex Output:
the lost world


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

Ex Output:
\"where the wild things are\"


Ex Input:
Category: EUROPE 
Clue: 2 of the 3 countries which today share the region of ancient Macedonia

Ex Output:

bulgaria, greece & yugoslavia