[{"role": "user", "content": "I'm trying to learn some basic phrases in Italian, and I couldn't find a good translation for 'You're reliable.' Could you please help me with that?"}, {"role": "assistant", "content": "The translation for 'You're reliable' in Italian is 'Lei \u00e8 affidabile.' This is a formal way to express your trust in someone. However, if you want to use an informal tone with friends or someone you're familiar with, you can say 'Tu sei affidabile'."}, {"role": "user", "content": "That's really helpful, thank you! What's the difference between formal and informal in Italian?"}, {"role": "assistant", "content": "In Italian, the formal tone is used when speaking to someone you don't know well, someone who is older than you, or someone in a position of authority. You use the formal 'Lei' instead of the informal 'tu'. The formal tone is a sign of respect, and it's widely used in professional and formal settings."}, {"role": "user", "content": "I see, so if I'm speaking to a friend, I should use 'tu' instead of 'Lei'?"}, {"role": "assistant", "content": "Exactly! When speaking to a friend or someone you're familiar with, you can use the informal 'tu' instead of the formal 'Lei'. So, if you want to tell your friend that they're reliable, you can say 'Tu sei affidabile'."}]