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This made the 18-year-old the youngest ever winner of an event at the IAAF World Indoor Championships , beating the previous record set by Gabriela Szabo 15 years earlier .
 Gabriela Szabo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gabriela Szabo