YOU SAID:

it's black over bills mothers

INTO JAPANESE

母親の請求書は真っ黒だ

BACK INTO ENGLISH

Mother's bill is black

INTO JAPANESE

母の請求書は黒い

BACK INTO ENGLISH

my mother's bill is black

INTO JAPANESE

私の母の請求書は黒いです

BACK INTO ENGLISH

my mother's bill is black