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Mary Hignett played housekeeper Mrs Hall in the first three series , and Margaretta Scott appeared as the recurring aristocratic dog-owner Mrs Pumphrey .
 person: Mary Hignett; person: Margaretta Scott
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: Mary Hignett, Margaretta Scott 
Answer:
 person: Mary Hignett; person: Margaretta Scott