Service is related to Duty. Duty is related to Reason. Reason is related to Common. 
Premium is a type of Bonus. Premium is a type of Payment. Payment is related to Rent. Rent is a synonym of Split. 
Service <--RelatedTo--> Duty <--RelatedTo--> Reason <--RelatedTo--> Common 
Bonus <--IsA-- Premium --IsA--> Payment <--RelatedTo--> Rent <--Synonym--> Split 