messages_json: [{"role": "user", "content": "Can you explain what is word2vec?"}, {"role": "assistant", "content": "I'd be happy to help with that! Regarding NLP: What is word2vec\n\nThis is an important concept in AI. The key ideas are:\n\n1. The foundational theory involves understanding the core mechanisms at play.\n2. In practice, you'll encounter this in real-world applications where precision matters.\n3. Common misconceptions include oversimplification of the underlying complexity.\n4. Advanced practitioners go deeper by examining edge cases and interactions.\n\nI recommend building up from first principles, trying concrete examples, and referring to primary sources for the most rigorous treatment."}]