graph TD
A[Start: Research Top 20 Niches] --> B[Call Skill #224: Oracle Ask Question]
B --> C[Get Initial List of Niches]
C --> D[Call Skill #216: Research Topic Deeply]
D --> E[Validate & Refine Niche List]
E --> F[Confirm Final 20 Profitable Niches]
F --> G[Output: Validated Top 20 Niches List]
G --> H[End]
subgraph ClickBankNicheResearcher
B
C
D
E
F
end