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Although approval voting differs from the voting system used in the Burr dilemma , approval voting can still leave candidates and voters with the generalized dilemma of whether to compete or cooperate .
 person: Burr
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: Burr 
Answer:
 person: Burr