Adoption is related to Child. Child is related to Play. Playoff is derived from Play. Playoff is related to Series. 
Spending is related to Debt. Debt is related to Obligation. 
Adoption <--RelatedTo--> Child <--RelatedTo--> Play <--DerivedFrom-- Playoff <--RelatedTo--> Series 
Spending <--RelatedTo--> Debt <--RelatedTo--> Obligation 