Input (grade 12): According to the Prose Edda, Odin took Loki's three children, Fenrisúlfr, Hel and Jörmungandr, and tossed Jörmungandr into the great ocean that encircles Midgard.
Output (grade 7): According to the myth, Odin took Lokis three children, Fenrisulfr, Hel and Jörmungandr.