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Next up she faced Varvara Lepchenko and Garbiñe Muguruza and defeated both in straight sets to set up a quarterfinal match against world No. 1 Serena Williams .
 person: Varvara Lepchenko; person: Garbiñe Muguruza; person: Serena Williams
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Varvara Lepchenko; person: Garbiñe Muguruza; person: Serena Williams