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In June 2009 , it was the scene of a world heavyweight championship boxing match between Wladimir Klitschko and Ruslan Chagaev , which drew an audience of 60,000 .
 person: Wladimir Klitschko; person: Ruslan Chagaev
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Wladimir Klitschko, Ruslan Chagaev 
Answer:
 person: Wladimir Klitschko; person: Ruslan Chagaev