[{"role": "user", "content": "I'd be happy to help you translate the sentence 'Could you help us' into Italian, which is 'Potresti aiutarci'."}, {"role": "assistant", "content": "The correct translation is indeed 'Potresti aiutarci?' with a question mark at the end, as it's a question. 'Potresti aiutarci' is a statement, whereas 'Potresti aiutarci?' is a polite way of asking for help in Italian."}]