House is related to Private. Private is related to Meaning. Meaning is a synonym of Significance. 
Market can be used for Trading. Market is related to Open. Open is a synonym of Reveal. Unfold is a type of Reveal. 
House <--RelatedTo--> Private <--RelatedTo--> Meaning <--Synonym--> Significance 
Trading <--UsedFor-- Market <--RelatedTo--> Open <--Synonym--> Reveal <--IsA-- Unfold 