Who is the sister of the 2014 US Open Women's Singles tournament winner?
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The US Open is played in the United States, where the citizen is Serena Williams.
The United States of America is the country of the US Open and is home to the tennis player , Serena Williams .
Who is the sister of the 2014 US Open Women's Singles tournament winner?</s>The US Open is played in the United States, where the citizen is [unused1]Serena Williams                [unused2] .
Who is the sister of the 2014 US Open Women's Singles tournament winner?</s>The US Open is played in the United States, where the citizen is Serena Williams.
Who is the sister of the 2014 US Open Women's Singles tournament winner?</s>The United States of America is the country of the US Open and is home to the tennis player , [unused1]Serena Williams                [unused2] .
Who is the sister of the 2014 US Open Women's Singles tournament winner?</s>The United States of America is the country of the US Open and is home to the tennis player , Serena Williams .
Who is the sister of the 2014 US Open Women's Singles tournament winner?</s>United States of America,country,United States of America,United States of America,0,US Open,United States of America,0,[unused1]Serena Williams[unused2],US Open,country,United States of America,US Open,0,US Open,US Open,0,[unused1]Serena Williams[unused2],[unused1]Serena Williams[unused2],country of citizenship,United States of America,[unused1]Serena Williams[unused2],0,US Open,[unused1]Serena Williams[unused2],0,[unused1]Serena Williams[unused2]
Who is the sister of the 2014 US Open Women's Singles tournament winner?</s>United States of America,country,United States of America,United States of America,0,US Open,United States of America,0,Serena Williams,US Open,country,United States of America,US Open,0,US Open,US Open,0,Serena Williams,Serena Williams,country of citizenship,United States of America,Serena Williams,0,US Open,Serena Williams,0,Serena Williams