Textbook is derived from Text. Text is related to Print. Print is related to Tray. 
Artificial is the opposite of Real. Real is related to Existence. Existence is a synonym of Being. Being is related to Die. 
Textbook --DerivedFrom--> Text <--RelatedTo--> Print <--RelatedTo--> Tray 
Artificial <--Antonym--> Real <--RelatedTo--> Existence <--Synonym--> Being <--RelatedTo--> Die 