Corporation is related to Large. Large is related to Order. Order is a synonym of Say. Say is related to Apology. 
Policeman is related to Detective. Detective is a type of Worker. Contractor is a type of Worker. Contractor is a type of Builder. 
Corporation <--RelatedTo--> Large <--RelatedTo--> Order <--Synonym--> Say <--RelatedTo--> Apology 
Policeman <--RelatedTo--> Detective --IsA--> Worker <--IsA-- Contractor --IsA--> Builder 