Exhibition is a type of Presentation. Exhibition is a synonym of Exhibit. Exhibit is a type of Possess. 
Walk is related to Dance. Heel is a type of Dance. Heel is related to Ankle. 
Presentation <--IsA-- Exhibition <--Synonym--> Exhibit --IsA--> Possess 
Walk <--RelatedTo--> Dance <--IsA-- Heel <--RelatedTo--> Ankle 