Ceo is a type of Person. Person wants (to) Gold. Gold is related to Olympic. Olympic is related to Medal. 
Clean requires Do. Forgive requires Do. Sympathy would make you want to Forgive. 
Ceo --IsA--> Person --Desires--> Gold <--RelatedTo--> Olympic <--RelatedTo--> Medal 
Clean --HasPrerequisite--> Do <--HasPrerequisite-- Forgive <--CausesDesire-- Sympathy 