[{"role": "user", "content": "I'm trying to learn Italian and I came across the sentence 'Who?' and I'm not sure how to translate it. Can you help me with that?"}, {"role": "assistant", "content": "Certo! The translation of 'Who?' in Italian is 'Chi?'. You can use it in various contexts, such as when asking for someone's identity or when inquiring about the person involved in a situation."}]