[{"role": "user", "content": "I'm writing a science fiction story and one of my characters exclaims 'I have seen a UFO.' How would this sentence be translated into Italian to add an air of authenticity to the dialogue?"}, {"role": "assistant", "content": "The translation of 'I have seen a UFO' in Italian is 'Ho visto un UFO.' This should add a touch of authenticity to your character's dialogue in your science fiction story."}]