YOU SAID:
Sadako Sasaki should not have died
INTO JAPANESE
佐々木貞子は死ななかったはずがない
BACK INTO ENGLISH
Sadako Sasaki couldn't have died.
INTO JAPANESE
佐々木貞子は死ななかった。
BACK INTO ENGLISH
Sadako Sasaki did not die.
INTO JAPANESE
佐々木貞子は死ななかった。
BACK INTO ENGLISH
Sadako Sasaki did not die.
That didn't even make that much sense in English.