YOU SAID:
Oh no I can't believe the prime minister is dead
INTO JAPANESE
おお、首相が死んだなんて信じられない
BACK INTO ENGLISH
Oh, I can not believe that the prime minister died
INTO JAPANESE
あ、首相が死んだとは信じられない
BACK INTO ENGLISH
Oh, I can not believe that the prime minister died
You've done this before, haven't you.