375015
He is the elder brother of Alexei Troschinsky .
 person: Alexei Troschinsky
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: Alexei Troschinsky 
Answer:
 person: Alexei Troschinsky