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: YOU GET AN "F" 
Clue: These seedless, nonflowering plants reproduce by spores on the undersides of their fronds

Ex Output:
ferns


Ex Input:
Category: SOCIAL SCIENCE 
Clue: It's the study of the principles of punishment as well as the management of prisons

Ex Output:
penology


Ex Input:
Category: OFFICIAL STATE THINGS 
Clue: Extinct?  You bet.  But this "3-lobed" arthropod has crawled into history as Wisconsin's state fossil

Ex Output:

trilobite