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He graduated from the University of Utah Law School and was active in the political campaigns of Douglas R. Stringfellow , Laurence J. Burton and Dr. Henry Aldous Dixon , organizing a youth group that helped Dr. Dixon win election to the United States Congress .
 organization: University of Utah Law School; person: Douglas R. Stringfellow; person: Laurence J. Burton; person: Henry Aldous Dixon; person: Dixon
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: University of Utah Law School, Douglas R. Stringfellow, Laurence J. Burton, Henry Aldous Dixon, Dixon 
Answer:
 organization: University of Utah Law School; person: Douglas R. Stringfellow; person: Laurence J. Burton; person: Henry Aldous Dixon; person: Dixon