Definition: 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.
Input: One of this deity's sons brought Etain to Midir out of gratitude, and fell in love with a woman in the form of a swan, Cer Ibormeith. This god killed Cridenbel by giving him food containing three gold coins, and assured his side's victory over the Fomorians in the Second Battle of Magh Turedh by sleeping with the Morrigan. This son of Danu and father of Angus mac Og owned a club which could kill nine men on one side and revive them with the other, a harp he used to control the seasons, and a magical cauldron that never ran out of food. FTP, identify this Celtic god of the earth, the leader of the Tuatha de Danann, whose name means "the good god. "
Output:
Social Science