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Sir Philip Mawer was the Parliamentary Commissioner for Standards from 2002 until 2008 when he became an independent advisor on Ministerial standards to Gordon Brown .
 person: Philip Mawer; person: Gordon Brown
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: Philip Mawer, Gordon Brown 
Answer:
 person: Philip Mawer; person: Gordon Brown