85883
Flight training commenced at Kai Tak in the second half of 1930 and followed by commercial services six years later with the arrival of Dorado from Malaysia on 24 March 1936 .
 None
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:  
Answer:
 None