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First housed in the former Union Pacific Center , the Union Pacific Railroad 's corporate headquarters have been in Omaha since the company began .
 location: Union Pacific Center; organization: Union Pacific Railroad; 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: Union Pacific Center, Union Pacific Railroad, Omaha 
Answer:
 location: Union Pacific Center; organization: Union Pacific Railroad; location: Omaha