Who was the first black senator in the U.S.?
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Hubert Humphrey was a citizen of the United States of America.
The United States of America , where Hubert Humphrey is a citizen , is the country of birth .
Who was the first black senator in the U.S.?</s> [unused1]Hubert Humphrey                [unused2] was a citizen of the United States of America.
Who was the first black senator in the U.S.?</s>Hubert Humphrey was a citizen of the United States of America.
Who was the first black senator in the U.S.?</s>The United States of America , where [unused1]Hubert Humphrey                [unused2] is a citizen , is the country of birth .
Who was the first black senator in the U.S.?</s>The United States of America , where Hubert Humphrey is a citizen , is the country of birth .
Who was the first black senator in the U.S.?</s>United States of America,country,United States of America,United States of America,0,[unused1]Hubert Humphrey[unused2],[unused1]Hubert Humphrey[unused2],country of citizenship,United States of America,[unused1]Hubert Humphrey[unused2],0,[unused1]Hubert Humphrey[unused2]
Who was the first black senator in the U.S.?</s>United States of America,country,United States of America,United States of America,0,Hubert Humphrey,Hubert Humphrey,country of citizenship,United States of America,Hubert Humphrey,0,Hubert Humphrey