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In the 100 m butterfly , Botes challenged seven other swimmers on the sixth heat , including top medal favorites Andriy Serdinov and Denys Sylantyev of Ukraine .
 person: Andriy Serdinov; person: Denys Sylantyev
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: Andriy Serdinov, Denys Sylantyev 
Answer:
 person: Andriy Serdinov; person: Denys Sylantyev