42219
According to " banking " , Omaha ranks eighth among the nation 's 50 largest cities in both per-capita billionaires and Fortune 500 companies .
 location: Omaha
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Omaha 
Answer:
 location: Omaha