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Several writers claim that , years later , Geli Raubal , Hitler 's niece ( and possibly his lover for a period , although many authorities doubt their relationship was consummated ) was jealous of Hitler 's association with Erna .
 person: Geli Raubal; person: Hitler; person: Hitler; person: Erna
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: Geli Raubal, Hitler, Hitler, Erna 
Answer:
 person: Geli Raubal; person: Hitler; person: Hitler; person: Erna