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: EUROPEAN PRINCESSES 
Clue: On July 20, 1999 she gave birth to her fourth child, Princess Alexandra of Hanover

Ex Output:
princess caroline of monaco


Ex Input:
Category: ALL GOD'S CREATURES 
Clue: Edison proposed a flying machine based on the flight of this creature, also the subject of a musical work

Ex Output:
bumblebee


Ex Input:
Category: TEXTBOOKS 
Clue: Dr. Henry Van Dyke Carter provided 363 drawings for this work first published in 1858

Ex Output:

gray\'s anatomy