graph TD A[Subagent Input: JSON with niche data] --> B{GPT-4 generates potential slogans} B --> C[Save slogans as JSON] C --> D{GPT-4 refines and selects top 3 slogans} D --> E[Save top 3 slogans as JSON] E --> F[Subagent Final Output: JSON with top 3 slogans]