[{"role": "user", "content": "I'm trying to learn Italian and I'm stuck on the sentence 'Do you eat a lot?' Can you help me translate it?"}, {"role": "assistant", "content": "Certo, I'd be happy to help. The translation of 'Do you eat a lot?' in Italian is 'Tu mangi molto?'"}, {"role": "user", "content": "That's really helpful, thank you. Can you also tell me when to use 'tu' and when to use other forms of 'you' in Italian?"}, {"role": "assistant", "content": "In Italian, 'tu' is the informal form of 'you', used with friends, family, or people you're familiar with. If you want to be more formal, you can use 'Lei' (capitalized) instead. For example, 'Lei mangia molto?' is the formal version of 'Do you eat a lot?'"}]