Individual #Omsk  a city in the Asian part of Russia
  instance of:  city
  part of:  Russia__Russian_Federation  a federation in northeastern Europe and northern Asia; formerly Soviet Russia; since 1991 an independent state
     part of:  Eurasia  the land mass formed by the continents of Europe and Asia
        part of:  eastern_hemisphere__easternhemisphere__orient  the hemisphere that includes Eurasia and Africa and Australia
        part of:  northern_hemisphere  the hemisphere north of the equator

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