The excerpt supporting the theme i. e. "people can change for the better" because in the story of "a reformation" written by o' Henry shows that a person who commits many crimes can change himself if he decided to change. People are able to change themselves for their beloved just like in the story of reformation in which a person named Jimmy Valentine changed himself for his beloved.
The answer that best describes the cultural context of this memoir is the pattern of physical cues, environmental stimuli, and implicit understanding that convey meaning better between two members of the same culture.
The line given above that reveals a dramatic irony is that "The responsible party is a god." It could not be a woman because it is describing death nor it is not dead yet. It clearly says that death itself is a god and no one has ever felt that they could love death even if most of them wanted to die.