19468
Aikido practitioners ( commonly called " aikidōka " outside Japan ) generally progress by promotion through a series of " grades " ( " kyū " ) , followed by a series of " degrees " ( " dan " ) , pursuant to formal testing procedures .
 location: Japan
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: Japan 
Answer:
 location: Japan