Professor is a type of Book. Rat is a type of Book. Rat is related to Fur. Fur is related to Clothes. 
Revolutionary is a type of Rebel. Rebel is a synonym of Arise. Arise is related to Other. Other is related to Blue. 
Professor --IsA--> Book <--IsA-- Rat <--RelatedTo--> Fur <--RelatedTo--> Clothes 
Revolutionary --IsA--> Rebel <--Synonym--> Arise <--RelatedTo--> Other <--RelatedTo--> Blue 