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Brewer withdrew form the election during the February 23 , 2013 Michigan Democratic Party Convention held at Cobo Hall in Detroit .
 person: Brewer; organization: Democratic
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: Brewer, Democratic 
Answer:
 person: Brewer; organization: Democratic