128977
Plans to reinstate the squadron in September as laid out in Air Organisation Memorandum 939 of 13 July 1918 came to nought as Air Organisation Memorandum 999 of 17 August 1918 cancelled these .
 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