Soul is related to Religion. Religion is related to Organization. Party is a type of Organization. Party is related to Entertainment. 
Contract is related to Business. Businessman is derived from Business. Operator is a type of Businessman. 
Soul <--RelatedTo--> Religion <--RelatedTo--> Organization <--IsA-- Party <--RelatedTo--> Entertainment 
Contract <--RelatedTo--> Business <--DerivedFrom-- Businessman <--IsA-- Operator 