Considering all of the factors presented, we are persuaded that under the facts of this case the University of Denver had no duty to W'hitlock to eliminate the private use of trampolines on its campus or to supervise that use. There exists no special relationship between the parties that justifies placing a duty upon the University to protect 'Whitlock from the well-known dangers of using a trampoline. Here, a conclusion that a special relationship existed between W'hitlock and the University sufficient to warrant the imposition of liability for nonfeasance would directly