Sweater is derived from Sweat. Sweater is a type of Top. Top is related to Power. Power is related to Nose. 
you are likely to find Robot in/at/on Garage. you are likely to find Roof in/at/on Garage. you are likely to find Roof in/at/on Town. 
Sweat <--DerivedFrom-- Sweater --IsA--> Top <--RelatedTo--> Power <--RelatedTo--> Nose 
Robot --AtLocation--> Garage <--AtLocation-- Roof --AtLocation--> Town 