154436
History and facilities Natrona County High School was originally known as Casper High School in its early days .
 organization: Natrona; organization: Casper
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: Natrona, Casper 
Answer:
 organization: Natrona; organization: Casper