[{"role": "user", "content": "I'm learning Italian and I'd love to know how to express regret, can you tell me how to say 'I did nothing' in Italian?"}, {"role": "assistant", "content": "One way to express regret in Italian is by using the phrase 'Non ho fatto nulla.' This translates to 'I did nothing' in English. You can use it in various situations to convey a sense of regret or inaction."}]