YOU SAID:

who’s coat is that jacket

INTO JAPANESE

そのジャケットは誰のコートですか

BACK INTO ENGLISH

Whose coat is that jacket

INTO JAPANESE

あのジャケットは誰のコートですか

BACK INTO ENGLISH

Whose coat is that jacket?

INTO JAPANESE

あのジャケットは誰のコートですか？

BACK INTO ENGLISH

Whose coat is that jacket?