Pain is etymologically related to Pine. Burn is a type of Pain. Burn is related to Cook. 
Campus is a type of Field. you are likely to find Expert in/at/on Field. Talent is a type of Expert. 
Pine <--EtymologicallyRelatedTo-- Pain <--IsA-- Burn <--RelatedTo--> Cook 
Campus --IsA--> Field <--AtLocation-- Expert <--IsA-- Talent 