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In 1930 , he commissioned R. H. Naylor to write a horoscope for the birth of Princess Margaret .
 person: R. H. Naylor; person: Princess Margaret
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: R. H. Naylor; person: Princess Margaret