[{"role": "user", "content": "I'm writing a historical novel and I need to convey the passage of time. How would I translate the sentence 'Thirty years passed' into Italian to set the scene for my readers?"}, {"role": "assistant", "content": "The correct translation of 'Thirty years passed' in Italian is 'Passarono trent'anni.'. This sentence effectively conveys the passage of time and can help set the scene for your readers."}]