This refers to every nonfiction story that's also built on the author's memories. As a result, the work's assumptions are taken to be true. A fiction writer or even a memorialist is a person who writes an autobiography.
Memoirs were biographical narratives written by some other individual from their firsthand knowledge or resources about just a person's life.
Memories are written from real-life experiences, therefore, they are not fiction.
Using the first-person viewpoint to tell a factual story is part of the characteristics of memoirs.
Therefore, the final answer is "First and fourth choice".
