[{"role": "user", "content": "I need to know how to ask someone if they are a doctor in Italian, can you help me with that?"}, {"role": "assistant", "content": "The translation of 'Are you a doctor?' in Italian is 'Tu sei un dottore?' or in a more formal way 'Lei \u00e8 un dottore?' if you want to show respect."}, {"role": "user", "content": "That is great, thank you! I was also wondering, what is the difference between 'Tu' and 'Lei'?"}, {"role": "assistant", "content": "In Italian, 'Tu' is the informal way of saying 'you', used with friends, family, or people you're familiar with. On the other hand, 'Lei' is the formal way of saying 'you', used with people you don't know well, or to show respect."}]