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.

These creatures overcame a warrior with impenetrable skin by burying him underneath uprooted trees. In another story, two of these creatures named Hylaeus and Rhaecus attempted to rape Atalanta. One of these creatures named Eurytion assaulted Hippodamia during her wedding, which led to a conflict in which they smothered the warrior Caeneus. These creatures were born when a king attempted to rape (*) Hera, but instead copulated with the cloud Nephele. One of these figures gave Deianira a poisoned tunic for her husband; a more benevolent one taught Achilles and Jason the lyre. For 10 points, name this mythological race exemplified by Nessus and Chiron, which are half-human and half-horse.
Social Science