[{"role": "user", "content": "I'm writing a letter to my Italian friend who's studying abroad and I want to express my concern for their well-being, could you help me translate the sentence 'He must be homesick' into Italian?"}, {"role": "assistant", "content": "Of course, I'd be happy to help you with that! The translation of 'He must be homesick' into Italian is 'Lui deve avere nostalgia di casa.'"}]