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Henry Thoby Prinsep ( 1792 – 1878 ) was an English official of the Indian Civil Service , and historian of India .
 person: Thoby Prinsep
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: Thoby Prinsep 
Answer:
 person: Thoby Prinsep