Nonprofit is the opposite of Business. Business is related to Downtown. 
Danger is related to Threat. Threat is related to Demand. Demand is related to Order. Order is related to Last. 
Nonprofit <--Antonym--> Business <--RelatedTo--> Downtown 
Danger <--RelatedTo--> Threat <--RelatedTo--> Demand <--RelatedTo--> Order <--RelatedTo--> Last 