You can still tell the difference through dna evidence. In this case it would be like a ship returning with an alien book, a worker left an earth based book, yo

You can still tell the difference through dna evidence. In this case it would be like a ship returning with an alien book, a worker left an earth based book, you have no clue what book is which but one book shares 99% textual similarity with the king james bible. That one probably originated on earth.