10798
As the disease took hold , Genoese traders fled across the Black Sea to Constantinople , where the disease first arrived in Europe in summer 1347 .
 location: Black Sea; location: Constantinople; location: Europe
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: Black Sea; location: Constantinople; location: Europe