Person is part of Society. Person is related to President. President is related to State. State is a synonym of Land. 
Pig is a synonym of Police. Policeman is derived from Police. Policeman is related to Enforcement. 
Society <--PartOf-- Person <--RelatedTo--> President <--RelatedTo--> State <--Synonym--> Land 
Pig <--Synonym--> Police <--DerivedFrom-- Policeman <--RelatedTo--> Enforcement 