Legislation is related to Rule. Rule is related to Serving. Serving is a synonym of Service. 
Bull is a type of Person. Person does not want (to) Garbage. Trash is a type of Garbage. you are likely to find Trash in/at/on Pocket. 
Legislation <--RelatedTo--> Rule <--RelatedTo--> Serving <--Synonym--> Service 
Bull --IsA--> Person --NotDesires--> Garbage <--IsA-- Trash --AtLocation--> Pocket 