YOU SAID:

Oh baby baby how was I suppose to know

INTO JAPANESE

ああ赤ちゃんの赤ちゃんはどうやって知っていたと思ったの?

BACK INTO ENGLISH

Oh, how did you think the baby knew?

INTO JAPANESE

ああ、どうやって赤ちゃんを知っていたと思ったの?

BACK INTO ENGLISH

Oh, how did you think you knew the baby?

INTO JAPANESE

ああ、どうやって赤ちゃんを知っていると思ったの?

BACK INTO ENGLISH

Oh, how did you think you knew the baby?