Job is related to Merchant. Merchant is related to Banker. Banker can be used for Banking. 
Population can be used for Study. Study is related to Art. Museum can be used for Art. 
Job <--RelatedTo--> Merchant <--RelatedTo--> Banker --UsedFor--> Banking 
Population --UsedFor--> Study <--RelatedTo--> Art <--UsedFor-- Museum 