you are likely to find Cop in/at/on Street. Street is related to Line. Line can be used for Fish. 
Married is a type of Person. Married is related to Father. Father is a synonym of Founder. 
Cop --AtLocation--> Street <--RelatedTo--> Line --UsedFor--> Fish 
Person <--IsA-- Married <--RelatedTo--> Father <--Synonym--> Founder 