Art is related to Color. Color is related to Example. Example is a synonym of Representative. Representative is related to Lawyer. 
Sugar is related to Hill. Hill is related to Like. Like is related to Difficult. 
Art <--RelatedTo--> Color <--RelatedTo--> Example <--Synonym--> Representative <--RelatedTo--> Lawyer 
Sugar <--RelatedTo--> Hill <--RelatedTo--> Like <--RelatedTo--> Difficult 