Which current or former president of the U.S. is black?
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Oprah Winfrey is a citizen of the United States, where she was born.
The United States of America , which is led by Oprah Winfrey , is the country of origin of the African American .
Which current or former president of the U.S. is black?</s> [unused1]Oprah Winfrey                [unused2] is a citizen of the United States, where she was born.
Which current or former president of the U.S. is black?</s>Oprah Winfrey is a citizen of the United States, where she was born.
Which current or former president of the U.S. is black?</s>The United States of America , which is led by [unused1]Oprah Winfrey                [unused2] , is the country of origin of the African American .
Which current or former president of the U.S. is black?</s>The United States of America , which is led by Oprah Winfrey , is the country of origin of the African American .
Which current or former president of the U.S. is black?</s>United States of America,country,United States of America,United States of America,0,[unused1]Oprah Winfrey[unused2],[unused1]Oprah Winfrey[unused2],country of citizenship,United States of America,[unused1]Oprah Winfrey[unused2],0,[unused1]Oprah Winfrey[unused2]
Which current or former president of the U.S. is black?</s>United States of America,country,United States of America,United States of America,0,Oprah Winfrey,Oprah Winfrey,country of citizenship,United States of America,Oprah Winfrey,0,Oprah Winfrey