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 Q]: Category: GENERAL SCIENCE 
Clue: A horse's hooves are made up of this protein, the same protein found in your fingernails
[EX A]: keratin

[EX Q]: Category: CALVINISM 
Clue: Calvinists use this word, also a name for a season, to describe Adam & Eve's disobedience
[EX A]: the fall

[EX Q]: Category: THEATRE 
Clue: "Homecoming", "The Hunted" & "The Haunted" are the 3 parts of this Eugene O'Neill work based on Greek tragedy
[EX A]:
mourning becomes electra