Cop is a synonym of Police. Police is related to Protest. Protest is a type of Complain. Complain is a synonym of Beef. 
Mud is related to Paint. Artist can Paint. Poet is a type of Artist. you are likely to find Poet in/at/on Study. 
Cop <--Synonym--> Police <--RelatedTo--> Protest --IsA--> Complain <--Synonym--> Beef 
Mud <--RelatedTo--> Paint <--CapableOf-- Artist <--IsA-- Poet --AtLocation--> Study 