Cultural is related to Art. Art is related to Overall. 
Empire is a type of Book. Book is related to Margin. Margin is a synonym of Skirt. Skirt is related to Clothing. 
Cultural <--RelatedTo--> Art <--RelatedTo--> Overall 
Empire --IsA--> Book <--RelatedTo--> Margin <--Synonym--> Skirt <--RelatedTo--> Clothing 