YOU SAID:
did you know that obama is black
INTO JAPANESE
オバマが黒人であることを知っていましたか
BACK INTO ENGLISH
Did you know Obama was black?
INTO JAPANESE
オバマ氏が黒人だったことをご存知ですか?
BACK INTO ENGLISH
Did you know that Obama was black?
INTO JAPANESE
オバマ氏が黒人だということをご存知ですか?
BACK INTO ENGLISH
Did you know that Obama is black?
INTO JAPANESE
オバマ氏が黒人であることをご存知ですか?
BACK INTO ENGLISH
Did you know that Obama is black?
That didn't even make that much sense in English.