Short is the opposite of High. High is a synonym of Costly. 
Direct is a synonym of Target. Target is related to Paper. Paper is a synonym of Composition. Composition is a type of Mixture. 
Short <--Antonym--> High <--Synonym--> Costly 
Direct <--Synonym--> Target <--RelatedTo--> Paper <--Synonym--> Composition --IsA--> Mixture 