Culture is related to Sample. Sample is a synonym of Example. 
Young is the opposite of Elderly. Elderly is a different concept from Youth. Youth is a synonym of Adolescent. Adolescent is a synonym of Teenage. 
Culture <--RelatedTo--> Sample <--Synonym--> Example 
Young <--Antonym--> Elderly <--DistinctFrom--> Youth <--Synonym--> Adolescent <--Synonym--> Teenage 