Rival is a synonym of Competitor. Competitor is a synonym of Opponent. Opponent is a synonym of Opposition. Opposition is related to Question. 
Greatest is an instance of Album. Scandal is a type of Album. 
Rival <--Synonym--> Competitor <--Synonym--> Opponent <--Synonym--> Opposition <--RelatedTo--> Question 
Greatest --InstanceOf--> Album <--IsA-- Scandal 