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At first a " narodnik " ( revolutionary agrarian socialist populist ) , he initially opposed Marxism but was won over to Marxism later that year by his future first wife , Aleksandra Sokolovskaya .
 organization: Marxism; person: Marxism; person: Aleksandra Sokolovskaya
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: Marxism, Marxism, Aleksandra Sokolovskaya 
Answer:
 organization: Marxism; person: Marxism; person: Aleksandra Sokolovskaya