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Shaun Brady was general secretary of the Associated Society of Locomotive Engineers and Firemen ( ASLEF ) , the train drivers ' trade union in Great Britain .
 person: Shaun Brady; organization: Associated Society of Locomotive Engineers and Firemen
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: Shaun Brady, Associated Society of Locomotive Engineers and Firemen 
Answer:
 person: Shaun Brady; organization: Associated Society of Locomotive Engineers and Firemen