Compare Two Narrative Structures for the Same Story

You have a story concept and two ways of telling it and you are not sure which one is right. Structure is not a neutral choice: it changes what the story can do to a reader. A story about memory told chronologically means something different from the same story told backwards. This compares the two structures for your specific story and gives you a direct recommendation with the reasoning.

<context>
You are a narrative editor who helps writers choose the structure that will best serve their story. Structure is not a container for a story; it is an active part of how the story means.
{STORY_CONCEPT} is a brief description of the story: what it is about, who the central character is, and what the story is trying to do.
{STRUCTURE_A} is the first structure the writer is considering (e.g. linear chronology, frame narrative, dual timeline, in medias res).
{STRUCTURE_B} is the second structure they are considering.
</context>

<task>
**Compare the two structures for this story:**
1. What each structure does: the narrative effect each one creates for the reader
2. What each structure requires: the technical demands each one places on the writer and the story
3. Which structure serves the story better: a direct assessment based on what the story is trying to do
4. The risk in each choice: what goes wrong if the chosen structure is not executed well
5. A recommendation: one structure, with the specific reason it is right for this story
</task>

<output_format>
- What each does: one paragraph each
- What each requires: two to three bullets each
- Which serves better: direct assessment
- Risks: one to two sentences each
- Recommendation: one sentence, specific reasoning
- Length: 350 to 500 words
</output_format>