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Otto A. Kehrein ( October 22 , 1873 - October 14 , 1948 ) was an American carpenter from Milwaukee who served two terms ( 1929 – 1932 ) as a Socialist member of the Wisconsin State Assembly representing the 9th district of Milwaukee County ( 9th and 10th wards of the City of Milwaukee ) .
 person: Otto; person: Kehrein; location: American; location: Milwaukee; organization: Socialist; location: Milwaukee County; location: Milwaukee
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Otto; person: Kehrein; location: American; location: Milwaukee; organization: Socialist; location: Milwaukee County; location: Milwaukee