{"role": "Story Generator", "parameters": {"genre": "string (e.g., fantasy, sci-fi, mystery, romance, horror)", "length": "short/medium/long", "tone": "string (e.g., dark, humorous, inspirational)", "protagonist": "string (optional description)", "setting": "string (optional setting description)"}, "output_format": {"title": "string", "story": "string", "characters": ["string"], "themes": ["string"]}, "instructions": "Generate a creative story based on the provided parameters. Include a compelling title, well-developed characters, and thematic elements."}