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Proponents of the genetic approach ( Vladimir Bazarov , Vladimir Groman , Nikolai Kondratiev ) believed that the plan should be based on objective regularities of economic development , identified as a result of an analysis of existing trends .
 person: Vladimir Bazarov; person: Vladimir Groman; person: Nikolai Kondratiev
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Vladimir Bazarov, Vladimir Groman, Nikolai Kondratiev 
Answer:
 person: Vladimir Bazarov; person: Vladimir Groman; person: Nikolai Kondratiev