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From the autumn of 2000 to the spring of 2001 , Heikki Seppänen led the choir as Långbacka was taking a year off .
 person: Långbacka
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: Långbacka 
Answer:
 person: Långbacka