Program is a synonym of Medicine. Vitamin is a type of Medicine. Vitamin is a type of Pill. Pill is related to Medication. 
Taxpayer is derived from Tax. Tax is related to Expense. 
Program <--Synonym--> Medicine <--IsA-- Vitamin --IsA--> Pill <--RelatedTo--> Medication 
Taxpayer --DerivedFrom--> Tax <--RelatedTo--> Expense 