YOU SAID:

my mother is dead and i don't know if I'm sad or not

INTO JAPANESE

母が亡くなり、悲しいかどうかわからない

BACK INTO ENGLISH

I don't know if my mother died and I'm sad

INTO JAPANESE

母が亡くなったのかわからないのに悲しい

BACK INTO ENGLISH

I'm sad I don't know if my mother died

INTO JAPANESE

母が亡くなったかどうかわからないのが悲しい

BACK INTO ENGLISH

I'm sad I don't know if my mother died