Normal is the opposite of Ordinary. Ordinary is a synonym of Common. Common is related to Peasant. 
Painter is related to Brush. Brush is a type of Remove. Clear is a type of Remove. Clear is related to Sky. 
Normal <--Antonym--> Ordinary <--Synonym--> Common <--RelatedTo--> Peasant 
Painter <--RelatedTo--> Brush --IsA--> Remove <--IsA-- Clear <--RelatedTo--> Sky 