9843
Life and career The son of a military academy teacher , Pyotr Nesterov decided to choose a military career .
 person: Pyotr Nesterov
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: Pyotr Nesterov 
Answer:
 person: Pyotr Nesterov