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GWEN is a private multi-gigabit network based on DWDM / SDH connecting Greece to major European backbone services via Italy .
 location: Greece; location: Italy
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Greece; location: Italy