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Mr Jeffs was also responsible for convening the first meeting of the South Australian branch of the Society of Hospital Pharmacists and was the chairman of the first federal conference of the Society of Hospital Pharmacists in 1961 .
 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