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Researcher Andrew Levi says scientists have long being puzzled by the question of which diabetics develop complications and why .
 person: Researcher; person: Researcher Andrew Levi; person: scientists; person: which diabetics
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 person: Researcher; person: Researcher Andrew Levi; person: scientists; person: which diabetics