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Kallio 's wrestling career peaked in the 1920s and 1930s where he was known as the " King of the Welterweights " and later on " King of the Middleweights " as he held multiple world titles in those two weight divisions .
 person: Kallio
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: Kallio 
Answer:
 person: Kallio