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St John was the eldest son of John St John , 11th Baron St John of Bletso and his wife Elizabeth Crowley , daughter of Sir Ambrose Crowley of Greenwich .
 person: John St John , 11th Baron St John of Bletso
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: John St John , 11th Baron St John of Bletso 
Answer:
 person: John St John , 11th Baron St John of Bletso