[{"role": "user", "content": "I'm trying to learn Italian and I'm stuck on the sentence \"Did you kill Tom?\". Can you help me translate it?"}, {"role": "assistant", "content": "Certo! The translation of \"Did you kill Tom?\" in Italian is \"Lei ha ucciso Tom?\"."}, {"role": "user", "content": "That's perfect, thank you! I was also wondering, is there a difference in the translation if I'm talking to a friend or a stranger?"}, {"role": "assistant", "content": "In Italian, there is a formal and informal form of address. If you're talking to a friend, you would use the informal form: \"Hai ucciso Tom?\". But if you're talking to a stranger or someone you want to show respect to, you would use the formal form: \"Lei ha ucciso Tom?\"."}]