YOU SAID:

Where is the backdoor

INTO JAPANESE

バックドアはどこにありますか？

BACK INTO ENGLISH

Where is the backdoor?

INTO JAPANESE

バックドアはどこですか？

BACK INTO ENGLISH

Where is the back door?

INTO JAPANESE

ここで、ドアは何ですか？

BACK INTO ENGLISH

Where is the door?

INTO JAPANESE

ここで、ドアは何ですか？

BACK INTO ENGLISH

Where is the door?