Q: 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 of these creatures was a ferryman for the Evenus River. Two of these creatures, Rhoecus and Hylaeus, were killed by Atalanta. One of them attempted to abduct the bride of his half-brother Pirithous. That incident involving Eurytion led to a battle in which these people lost to the (*) Lapiths. After the death of Pholus, one of them abducted Deianira and asked her to pour his poisoned blood on a cloak that Heracles put on. While most of this race came into being after the union of Ixion and Nephele, an immortal one of these people was a son of Cronus and Philyra who mentored heroes such as Jason, Asclepius, and Achilles. For 10 points, name this race, whose members included Nessus and Chiron, both of which were half man and half horse.
A:
Social Science