8469
Nicole Arendt ( U.S. ) beat Sandra Cacic ( U.S. ) 6-2 7-6 ( 8-6 )
 Nicole Arendt, Sandra Cacic, U.S., U.S.
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Nicole Arendt, Sandra Cacic, U.S., U.S.