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Gross claims that Hitler was in love with Erna , but that she considered the whole business to be a joke , and that she was amused at his attempts to court her .
 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: Hitler, Erna 
Answer:
 person: Hitler; person: Erna