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Life Manfred Niekisch studied biology at the University of Cologne/DE and obtained his PhD ( Dr. rer .
 person: Manfred Niekisch; organization: University of Cologne/DE
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: Manfred Niekisch, University of Cologne/DE 
Answer:
 person: Manfred Niekisch; organization: University of Cologne/DE