Driving is related to Ride. Ride is related to Ticket. Ticket can be used for Inventory. 
you are likely to find Elevator in/at/on Hotel. you are likely to find Bathroom in/at/on Hotel. 
Driving <--RelatedTo--> Ride <--RelatedTo--> Ticket --UsedFor--> Inventory 
Elevator --AtLocation--> Hotel <--AtLocation-- Bathroom 