I do not know whether I was then a …..

I do not know whether I was then a man dreaming I was a butterfly, or whether I am now a butterfly dreaming I am a man.

I do not know whether I was then a man dreaming I was a butterfly, or whether I am now a butterfly dreaming I am a man.
I do not know whether I was then a man dreaming I was a butterfly, or whether I am now a butterfly dreaming I am a man.