Individual #Riga__capital_of_Latvia  port city that is the capital and largest city of Latvia
  instance of:  #capital_city  #port
  part of:  #Latvia__Republic_of_Latvia  a republic in northeastern Europe on the eastern coast of the Baltic Sea
     part of:  #Europe  the 2nd smallest continent (actually a vast peninsula of Eurasia); the British use `Europe' to refer to all of the continent except the British Isles
        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

No statement uses or specializes #Riga; click here to add one.