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Albert Welti is father of the writer and painter Albert Jakob Welti .
 person: Albert Welti; person: Albert Jakob Welti
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: Albert Welti, Albert Jakob Welti 
Answer:
 person: Albert Welti; person: Albert Jakob Welti