Household is derived from House. Flat is a type of House. Flat is related to Tray. Tray is related to Implement. 
Animal is related to Living. Living is similar to Realistic. Realistic is related to Real. Real is similar to Historical. 
Household --DerivedFrom--> House <--IsA-- Flat <--RelatedTo--> Tray <--RelatedTo--> Implement 
Animal <--RelatedTo--> Living <--SimilarTo--> Realistic <--RelatedTo--> Real <--SimilarTo--> Historical 