109539
Nautilus was named at a well-attended ceremony on the west side of Refshaleøen and towed to the floating installation art barge ILLUTRON ( formerly M/S Half Machine ) in the Copenhagen South Harbor where further outfitting and installation of equipment happened over the next several months .
 location: Copenhagen
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: Copenhagen 
Answer:
 location: Copenhagen