Wheel is part of Wagon. Wheel is related to Invention. 
you are likely to find Bag in/at/on Market. Market is related to District. District is related to Representation. Representation is a synonym of Construct. 
Wagon <--PartOf-- Wheel <--RelatedTo--> Invention 
Bag --AtLocation--> Market <--RelatedTo--> District <--RelatedTo--> Representation <--Synonym--> Construct 