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Analyses of large human concentrations in big cities , in multidisciplinary studies by Ronald Daus , show how new methods may be applied to the understanding of man living in a global world and how it was caused by the action of extra-European nations , so highlighting the role of Ethics in modern anthropology .
 person: Ronald Daus
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: Ronald Daus 
Answer:
 person: Ronald Daus