Root is part of Nail. Root is related to Money. Money is related to Spending. 
one thing you do when you Dance is Fitness. Ball is a type of Dance. Ball is a synonym of Football. Football can be Fun. 
Nail <--PartOf-- Root <--RelatedTo--> Money <--RelatedTo--> Spending 
Fitness <--HasSubevent-- Dance <--IsA-- Ball <--Synonym--> Football --HasProperty--> Fun 