Who was the first African-American president?
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African Americans are of the ethnic or cultural origin of Booker T. Washington.
One of the ethnic groups of African Americans is Booker T. Washington .
Who was the first African-American president?</s>African Americans are of the ethnic or cultural origin of [unused1]Booker T. Washington                [unused2] .
Who was the first African-American president?</s>African Americans are of the ethnic or cultural origin of Booker T. Washington.
Who was the first African-American president?</s>One of the ethnic groups of African Americans is [unused1]Booker T. Washington                [unused2] .
Who was the first African-American president?</s>One of the ethnic groups of African Americans is Booker T. Washington .
Who was the first African-American president?</s>African Americans,0,African Americans,African Americans,0,[unused1]Booker T. Washington[unused2],[unused1]Booker T. Washington[unused2],ethnic or cultural origin,African Americans,[unused1]Booker T. Washington[unused2],0,[unused1]Booker T. Washington[unused2]
Who was the first African-American president?</s>African Americans,0,African Americans,African Americans,0,Booker T. Washington,Booker T. Washington,ethnic or cultural origin,African Americans,Booker T. Washington,0,Booker T. Washington