12857
Just hours before Wednesday 's shooting , three hand grenades were thrown at a police station in Celopek .
 location: Celopek
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Celopek 
Answer:
 location: Celopek