[{"role": "user", "content": "Could you please translate the sentence 'How old's your son?' into Italian so I can ask my Italian friend about his child?"}, {"role": "assistant", "content": "The translation of 'How old's your son?' in Italian is 'Quanti anni ha vostro figlio?'"}, {"role": "user", "content": "That's perfect, grazie mille! I was wondering, is the translation formal or informal?"}, {"role": "assistant", "content": "The translation 'Quanti anni ha vostro figlio?' is a bit formal. If you want to ask your friend in an informal way, you could say 'Quanti anni ha tuo figlio?'"}, {"role": "user", "content": "Okay, I see. So 'vostro' is formal and 'tuo' is informal, right?"}, {"role": "assistant", "content": "Exactly! In Italian, 'vostro' is used for formal situations, while 'tuo' is used with friends, family, or in informal contexts."}]