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On 30 August 1916 , Sergeant William Durrand of the 66th Battalion of the Canadian Expeditionary Force was commissioned a Temporary Second Lieutenant with the Royal Flying Corps .
 organization: Canadian Expeditionary Force; organization: Royal Flying Corps
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: Canadian Expeditionary Force, Royal Flying Corps 
Answer:
 organization: Canadian Expeditionary Force; organization: Royal Flying Corps