9932
She beat Andrea Petkovic in straight sets to advance to the semifinals where she faced Belinda Bencic .
 Andrea Petkovic, Belinda Bencic
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Andrea Petkovic, Belinda Bencic