Rich requires Invest. Rich is related to Expensive. Expensive is related to Silk. Silk is related to Fiber. 
Aim is a type of Intend. Aim is a synonym of Object. Object is related to Form. 
Invest <--HasPrerequisite-- Rich <--RelatedTo--> Expensive <--RelatedTo--> Silk <--RelatedTo--> Fiber 
Intend <--IsA-- Aim <--Synonym--> Object <--RelatedTo--> Form 