Beautiful is a different concept from Ugly. Ugly is the opposite of Attractive. Attractive is a synonym of Smart. 
Support is a type of Device. Leg is a type of Support. Leg is part of Body. Body is related to Court. 
Beautiful <--DistinctFrom--> Ugly <--Antonym--> Attractive <--Synonym--> Smart 
Device <--IsA-- Support <--IsA-- Leg --PartOf--> Body <--RelatedTo--> Court 