[{"role": "user", "content": "I'm trying to learn Italian to communicate with my friend who's visiting from Rome, and I was wondering how I could express 'You must be tired' in Italian so I can show my concern for their jet lag."}, {"role": "assistant", "content": "That's very thoughtful of you! The correct translation for 'You must be tired' in Italian is 'Dovete essere stanche.' You can use this phrase to show your concern for your friend's jet lag and make them feel more at home."}]