flowchart LR Question --> Retrieve["Retrieve\n(Node)"] Retrieve --> Grade["Grade\n(Node)"] Grade --> DocsRelevant{"Docs\nrelevant?"} DocsRelevant -- Yes --> Generate["Generate\n(Node)"] DocsRelevant -- No --> Rewrite["Re-write\nquestion\n(Node)"] Generate --> Hallucinations{"Hallucinations?"} Hallucinations -- Yes --> Rewrite Hallucinations -- No --> AnswersQ{"Answers\nquestion?"} AnswersQ -- Yes --> Answer[Answer] AnswersQ -- No --> Rewrite Rewrite --> Retrieve