The excerpts that are needed to answer this question were not included. However, note that narrative nonfiction is a genre of writing where facts are presented as stories. With these ideas, we can deduce that the narrative nonfiction elements of this story include;
The speaker tells a story but the events being recounted as prose happened in reality. This genre of writing requires a great deal of creativity for its organization. It is not written in the first person.
Also, the story should still maintain its accuracy even though it is in the form of prose. Into Thin Air by Jon Krakauer is an example of narrative nonfiction.
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