338008
In early 1942 elements of the Imperial Japanese Navy ( IJN ) proposed an invasion of Australia .
 organization: Imperial Japanese Navy
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: Imperial Japanese Navy 
Answer:
 organization: Imperial Japanese Navy