Classify is a synonym of Sort. Sort is a synonym of Person. Convert is a type of Person. Hay is a type of Convert. 
Code is related to Rule. Rule is part of Book. Authority is a type of Book. Authority is a type of Permission. 
Classify <--Synonym--> Sort <--Synonym--> Person <--IsA-- Convert <--IsA-- Hay 
Code <--RelatedTo--> Rule --PartOf--> Book <--IsA-- Authority --IsA--> Permission 