Hm.

"Was Leah the second most recently-arrived person here after myself?  Think I remember something about that.  Where would I find her?"

Oliver doesn't hold out much hope of Leah being a Normal Person.  But there might be evidence left if, say, Leah used to be a normal person, and then got transformed a few days after arriving here.  Old artifacts like toilet paper, that she brought with her, and then forgot.

Hm.

"Thanks, and also thanks.  Was Leah the second most recently-arrived person here after myself?  Think I remember something about that.  Where would I find her?"

Oliver doesn't hold out much hope of Leah being a Normal Person.  But there might be evidence left if, say, Leah used to be a normal person, and then got transformed a few days after arriving here.  Old artifacts like toilet paper, that she brought with her, and then forgot.