Mayor is related to Person. Architect is a type of Person. Architect is a synonym of Designer. Designer is a synonym of Developer. 
Rifle can be used for Murder. Rifle is related to Hunting. 
Mayor <--RelatedTo--> Person <--IsA-- Architect <--Synonym--> Designer <--Synonym--> Developer 
Murder <--UsedFor-- Rifle <--RelatedTo--> Hunting 