Boss is a type of Human. Human is related to Need. Need is related to Hunger. Hunger is a type of Drive. 
Adolescent is a synonym of Youth. Youth is a synonym of Youngster. 
Boss --IsA--> Human <--RelatedTo--> Need <--RelatedTo--> Hunger --IsA--> Drive 
Adolescent <--Synonym--> Youth <--Synonym--> Youngster 