Excited is related to Surprise. Perform requires Surprise. Conduct is a type of Perform. Conduct is a synonym of Oversee. 
Obligation is related to Demand. Demand is related to Economics. 
Excited <--RelatedTo--> Surprise <--HasPrerequisite-- Perform <--IsA-- Conduct <--Synonym--> Oversee 
Obligation <--RelatedTo--> Demand <--RelatedTo--> Economics 