human
Angel, whenever I ask you how your mother is you always say she's not very well just now; but the only person I've seen or heard moving about the house is you. I'm beginning to wonder if your mother is a creature of your imagination. Angel said nothing; she continued to scrape the crumbs off the tablecloth with the blunt edge of a knife.
gpt
Are you alone in the house?
human
Course I'm not; how about my brother, Eustace? You've seen and heard him, haven't you?