164797
Zola sent Arzrouni to Austria to learn about the colorization of black-and-white photographs , as well as airbrush technique and the use of charcoal and chalk .
 location: Austria
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: Austria 
Answer:
 location: Austria