28016
On Okinawa , middle school boys were organized into front-line-service " Tekketsu Kinnōtai " , while Himeyuri students were organized into a nursing unit .
 location: Okinawa; organization: Tekketsu Kinnōtai
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: Okinawa, Tekketsu Kinnōtai 
Answer:
 location: Okinawa; organization: Tekketsu Kinnōtai