Column is related to Marble. Marble can be Round. Round is the opposite of Flat. 
Isolation is related to Alone. Alone is related to State. Relationship is a type of State. Account is a type of Relationship. 
Column <--RelatedTo--> Marble --HasProperty--> Round <--Antonym--> Flat 
Isolation <--RelatedTo--> Alone <--RelatedTo--> State <--IsA-- Relationship <--IsA-- Account 