Final answer:
The possible theme from "December 2005: The Silent Towns" is the experience of solitude and reflecting on a life apart from society, which echoes the contemplative works of Thoreau and the experiences of individuals like Chris McCandless.
Step-by-step explanation:
The theme of "December 2005: The Silent Towns" could encompass a few concepts, but based on the text provided, a possible theme might be the experience of solitude and the human response to it. The dialogue suggests an awareness of an isolated existence, potentially without the company of wider civilization. Themes of isolation, self-reliance, and reflection on human relationships and society could be explored here, reminiscent of works by Thoreau or the experiences of Chris McCandless. The text suggests a contemplation of a life apart from society, which could lead to both physical and emotional discoveries about oneself and the human condition when removed from societal structures and expectations.