84244
In a series of attacks along with the Bulgarians they occupied Serbia , Albania , Montenegro and most of Romania .
 location: Serbia; location: Albania; location: Montenegro; location: Romania
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: Serbia, Albania, Montenegro, Romania 
Answer:
 location: Serbia; location: Albania; location: Montenegro; location: Romania