Silly is a synonym of Smart. Smart is similar to Automatic. Automatic is the opposite of Voluntary. Voluntary is the opposite of Duty. 
Dance is related to Revolution. Revolution is related to Battle. 
Silly <--Synonym--> Smart <--SimilarTo--> Automatic <--Antonym--> Voluntary <--Antonym--> Duty 
Dance <--RelatedTo--> Revolution <--RelatedTo--> Battle 