[{"role": "user", "content": "I'm trying to learn Italian and I'm stuck on the sentence 'What was it?'. Can you help me translate it?"}, {"role": "assistant", "content": "Certo! The translation of 'What was it?' in Italian is 'Che cos'era?'. If you want to use a more casual tone, you could also say 'Cos'era?' - but 'Che cos'era?' is a bit more formal and polite."}]