graph TD Start[Start] --> InputCat[Input Category] subgraph MerchDataCollector InputCat --> FindURL[Find Best Seller URL] FindURL --> CrawlURL[Crawl Amazon URL] CrawlURL --> FilterData[Filter Products] end subgraph TShirtRanker FilterData --> RankData[Rank by BSR/Reviews/Price] RankData --> SelectTop5[Select Top 5] end subgraph JsonFormatter SelectTop5 --> FormatJSON[Format to JSON Schema] end subgraph FinalOutputWriter FormatJSON --> WriteFile[Write JSON File] end WriteFile --> End[End] style Start fill:#f9f,stroke:#333,stroke-width:2px style End fill:#f9f,stroke:#333,stroke-width:2px style MerchDataCollector fill:#e4f7fb,stroke:#333,stroke-width:1px style TShirtRanker fill:#f5e6ff,stroke:#333,stroke-width:1px style JsonFormatter fill:#fff2cc,stroke:#333,stroke-width:1px style FinalOutputWriter fill:#e8f5e9,stroke:#333,stroke-width:1px