Given the task definition and input, reply with output. 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.

One part of this work relates how the killing of a giant ox for a wedding feast leads to the revelation of how beer is brewed, while another section of this work is told by the bride-adviser. One character in this work finds himself stuck in a swamp after losing a singing contest while another character, whose kenning is "Blue-Stockings," kills himself after discovering that he accidentally slept with his sister, At the end of this work, a character born from an eggshell leaves the world in a copper boat while another character in this work is resurrected by his mother after being killed by the herder Soppy Hat. This work's later parts concern the struggle against Louhi, the woman of Pohjola for possession of the Sampo, forged by one of the main characters. For ten points, identify this epic poem collected by Elias Lonnrott which tells of the adventures of Vainamoinen, Lemminkhainen, and Ilmarinen, the national epic of Finland.
Literature