You will be given a definition of a task first, then some input of the task.
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

G.E. Moore wrote a book on the principles of this subject, in which he described the naturalistic fallacy. Spinoza's book on this philosophical subject is divided according to a ""geometric"" scheme. Aristotle's book on this describes the highest aim in life as happiness, and is named after his son Nicomachus. For 10 points, name this subject within philosophy which is concerned with questions of morality.
Output:
Social Science