Simple is the opposite of Subtle. Subtle is related to Smile. Smile is a synonym of Beam. Beam is related to Metal. 
Tall is related to Column. Column is related to Statue. Statue is related to Nice. Nice is related to Clear. 
Simple <--Antonym--> Subtle <--RelatedTo--> Smile <--Synonym--> Beam <--RelatedTo--> Metal 
Tall <--RelatedTo--> Column <--RelatedTo--> Statue <--RelatedTo--> Nice <--RelatedTo--> Clear 