Individual #Essen  a city in western Germany; industrial center of the Ruhr
  instance of:  city
  part of:  Germany__Federal_Republic_of_Germany__Deutschland__FRG  a republic in central Europe; split into East German and West Germany after World War II and reunited in 1990
     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

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