It can be Memoir or Conceptual autobiography It can be Memoir because Memoir means focusing on certain period of time in author's life. It can be Conceptual autobiography as it means <span>when the author does something very different or outrageous and writes about her experience</span>
This is making a comparison to Pinocchio. Saying it was such an obvious lie I’m surprised his nose didn’t start growing is an exaggeration of how unbelievable and far-fetched his lie fib was.