Net is related to Basketball. you are likely to find Boundary in/at/on Basketball. Boundary is related to City. 
Quality is related to Wall. Wall is etymologically related to Walk. Walk is a type of Score. Score is a synonym of Mark. 
Net <--RelatedTo--> Basketball <--AtLocation-- Boundary <--RelatedTo--> City 
Quality <--RelatedTo--> Wall --EtymologicallyRelatedTo--> Walk --IsA--> Score <--Synonym--> Mark 