For each question, select the level (0-5) that best matches the textbook’s capabilities.
Levels are cumulative in complexity and features:
0: Printed textbook with high-quality references
1: Online PDF/PPT with basic linking/search
2: Rich media website (videos/animations) without personalization
3: Personalized website integrated with LMS
4: Conversational interface with personalized recommendations
5: Fully intelligent (dynamic generation of content, reinforcement learning, etc.)