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From July 1939 , he began corresponding with the 13-year - old Princess Elizabeth , whom he had first met in 1934 .
 person: Elizabeth
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: Elizabeth 
Answer:
 person: Elizabeth