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Their new headquarters , the Union Pacific Missouri River Bridge , opened in Downtown Omaha in 2004 .
 location: Union Pacific Missouri River Bridge; location: Downtown 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 Missouri River Bridge, Downtown Omaha 
Answer:
 location: Union Pacific Missouri River Bridge; location: Downtown Omaha