Exchange is a type of Workplace. Workplace is related to Farm. Farm is a different concept from City. you are likely to find Prison in/at/on City. 
Person wants (to) Praise. Person does not want (to) Uncomfortable. Uncomfortable is the opposite of Comfortable. Relax requires Comfortable. 
Exchange --IsA--> Workplace <--RelatedTo--> Farm <--DistinctFrom--> City <--AtLocation-- Prison 
Praise <--Desires-- Person --NotDesires--> Uncomfortable <--Antonym--> Comfortable <--HasPrerequisite-- Relax 