174551
FreeNetWorld is a film festival held annually in Niš , Niš Fortress , Serbia .
 location: Niš; location: Niš; location: Serbia
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: Niš, Niš, Serbia 
Answer:
 location: Niš; location: Niš; location: Serbia