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: ACTRESSES IN HISTORY 
Clue: She was born Emilie Charlotte Le Breton on the island of Jersey in 1853

Ex Output:
lillie langtry


Ex Input:
Category: ON THE GO 
Clue: John Ericsson, who built a steam locomotive in England in 1829, built this famous Civil War steam-powered ship

Ex Output:
the monitor


Ex Input:
Category: SCIENCE 
Clue: The Portland type of this substance is limestone & shale heated until almost fused, then ground

Ex Output:

cement