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.

Example Input: Category: DRAMA 
Clue: Sula & Helena are robotesses in this Karel Capek play
Example Output: "r.u.r."

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

Example Input: Category: THE "GREEN" ROOM 
Clue: In show biz it's a studio OK to go ahead, as in the 2008 Variety headline "'Gulliver' Gets Fox" this
Example Output:
a green light