:Illustrate the concept of Retrieval-Augmented Generation (RAG) in AI. Show a person on the left asking a question with a speech bubble containing a question mark. An arrow leads from the question to a database, represented by a stack of books or a cloud with documents, with highlighted documents being retrieved. These documents are then connected by arrows to a central neural network or AI brain icon, symbolizing the generative model processing the input. From the AI model, another arrow points to the user, showing a generated answer in a speech bubble. The flow goes from left to right, using distinct colors for each stage: retrieval, generation, and response. Include digital elements like circuits or data streams to emphasize the AI aspect. --style raw