In this case an attendee of Chicago's Lollapalooza music festival slipped and fell on a rainy afternoon while exiting the concert, sustaining serious injuries. The plaintiff alleged that the festival sponsor negligently failed to abide by its responsibilities in many ways: failure to have sufficient lighting around exits, failure to place mats over slippery areas, failure to manage the crowd, failure to provide safe means of exiting the Park, and/or failure to cancel the festival. Let's examine this: