Dance is related to Funny. Funny is related to Surprise. Surprise is related to Scared. Scared is a synonym of Afraid. 
Combined is a synonym of Joint. Joint is the opposite of Individual. Individual is related to Birthday. Birthday is related to Event. 
Dance <--RelatedTo--> Funny <--RelatedTo--> Surprise <--RelatedTo--> Scared <--Synonym--> Afraid 
Combined <--Synonym--> Joint <--Antonym--> Individual <--RelatedTo--> Birthday <--RelatedTo--> Event 