Private is a synonym of Individual. Individual is related to Item. Item is related to Seat. Seat is related to Informal. 
Wait is related to While. While is related to Dance. Dance is related to Irish. Irish is a type of European. 
Private <--Synonym--> Individual <--RelatedTo--> Item <--RelatedTo--> Seat <--RelatedTo--> Informal 
Wait <--RelatedTo--> While <--RelatedTo--> Dance <--RelatedTo--> Irish --IsA--> European 