[{"role": "user", "content": "I'm trying to learn Italian to better communicate with my friend who's from Italy, and I stumbled upon the sentence 'You're optimistic.' Could you please help me translate it into Italian so I can understand and express the same sentiment to my friend?"}, {"role": "assistant", "content": "The translation of 'You're optimistic' in Italian is 'Tu sei ottimista.' You can use this phrase to express that someone has a positive outlook or attitude, and it's a great way to compliment your friend on their positivity."}]