Occupy is a synonym of Fill. Prime is a type of Fill. Prime is related to President. President is related to Fool. 
Fragile is a synonym of Thin. Thin is related to Oil. Plastic is created by Oil. Plastic is related to Card. 
Occupy <--Synonym--> Fill <--IsA-- Prime <--RelatedTo--> President <--RelatedTo--> Fool 
Fragile <--Synonym--> Thin <--RelatedTo--> Oil <--CreatedBy-- Plastic <--RelatedTo--> Card 