[{"role": "user", "content": "I'm trying to understand the nuances of the English language and I stumbled upon the sentence 'Who would've cared?' - could you please help me translate it into Italian to better grasp its meaning and usage?"}, {"role": "assistant", "content": "The sentence 'Who would've cared?' is a rhetorical question that expresses indifference or a lack of concern about something. The correct translation into Italian is 'A chi sarebbe importato?'."}]