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Joseph D. Piotroski is an American professor who specializes in accounting and financial reporting issues .
 person: Joseph; person: Piotroski
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: Joseph, Piotroski 
Answer:
 person: Joseph; person: Piotroski