YOU SAID:

Do they make this up? How do we know its real?

INTO JAPANESE

彼らはこれを捏造しますか？どうやって本物を知るの？

BACK INTO ENGLISH

Do they fabricate this? How do you know the real thing?

INTO JAPANESE

彼らはこれを捏造しますか？どうやって本物を知ったの？

BACK INTO ENGLISH

Do they fabricate this? How did you know it was real?

INTO JAPANESE

彼らはこれを捏造しますか？どうして本物だとわかったの？

BACK INTO ENGLISH

Do they fabricate this? How did you know it was real?