[{"role": "user", "content": "I'm working on a project and I need to translate the sentence 'Is that so?' into Italian. Could you assist me with that?"}, {"role": "assistant", "content": "The translation of 'Is that so?' in Italian is '\u00c8 cos\u00ec?'."}, {"role": "user", "content": "Grazie mille! Can you also tell me when would you use this sentence?"}, {"role": "assistant", "content": "You can use the sentence '\u00c8 cos\u00ec?' in informal conversations, when you want to express surprise or ask for confirmation about something. For example, if someone tells you 'I won a contest', you could respond with '\u00c8 cos\u00ec?' to ask if it's true."}]