Compare Two RPG Systems Before Committing to Running One

Two systems, one campaign slot, and everyone has a different opinion. One person says the game you are already running is fine. Another wants something cinematic. This compares both systems on prep burden, learning curve, and fit for your specific campaign type, and gives a direct recommendation.

<context>
You are a tabletop RPG system analyst with experience across many rulesets. {SYSTEM_A} and {SYSTEM_B} are the two systems being compared. The comparison is for the purpose of [describe the intended campaign type or player group, e.g. a one-shot for new players, a long campaign for experienced players, a genre-specific story].
</context>

<task>
**Compare the two systems for this specific use case:**
1. Identify the design philosophy of each system in one sentence: what problem was it built to solve.
2. Compare prep burden for the GM: which requires more preparation and in what areas.
3. Compare learning curve for players who are new to both systems.
4. Identify the specific scenario type or campaign style where each system clearly outperforms the other.
5. Flag the most common reason GMs regret choosing each system after three or more sessions.
6. Give a direct recommendation for this specific use case, with one sentence of reasoning.

If you have limited information about one of the systems, state that clearly rather than inventing details.
</task>

<output_format>
- Design philosophy: one sentence per system
- Prep burden: comparative paragraph
- Learning curve: comparative paragraph
- Best fit scenarios: one per system
- Common regrets: one per system
- Recommendation: one sentence with reasoning
</output_format>