40830
Perućac features what is reputedly Serbia 's smallest river — the Vrelo .
 location: Perućac; 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: Perućac, Serbia 
Answer:
 location: Perućac; location: Serbia