Chief is related to Manager. Manager is a synonym of Head. 
Pizza is related to Blue. Blue is a different concept from White. White is related to Sail. Sail is related to Canvas. 
Chief <--RelatedTo--> Manager <--Synonym--> Head 
Pizza <--RelatedTo--> Blue <--DistinctFrom--> White <--RelatedTo--> Sail <--RelatedTo--> Canvas 