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Seeded second in singles , she advanced past the third round at this tournament for the first time since 2006 before losing to Nadia Petrova in the round of 16 .
 person: Nadia Petrova
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: Nadia Petrova 
Answer:
 person: Nadia Petrova