The three plaintiff-appellants…were employees of Oberlin College and worked in the school’s Dining Services Department. Bon Appetit Management Company, a catering contractor, was responsible for operating Oberlin’s dining facilities. The plaintiffs allege that they were subjected to various acts of sexual harassment…They brought various claims against Oberlin, Bon Appetit, and Holliday, including a claim for hostile work environment sexual harassment…[A]reasonable jury could find that [the] alleged assault on [one of the plantiffs] was sufficiently severe by itself that it created a hostile work environment...[W]e reverse the district court’s decision granting summary judgment in favor of Oberlin College…