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Guffey , who owned an oil company with his two sisters , suffered financial setbacks in oil speculation during WWI and was indicted by a federal grand jury for mis-use of the funds under his control as Sales Director .
 person: Guffey
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: Guffey 
Answer:
 person: Guffey