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He blasted a new Chilean record of 3:56.52 to top the second heat against seven other swimmers , including early favorites Moss Burmester of New Zealand and Petar Stoychev of Bulgaria .
 person: Moss Burmester; person: Petar Stoychev
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: Moss Burmester, Petar Stoychev 
Answer:
 person: Moss Burmester; person: Petar Stoychev