[{"role": "user", "content": "I'm writing a story about a character who travels to Italy and at one point, Tom changed trains. How would I express this sentence in Italian to add some authenticity to the scene?"}, {"role": "assistant", "content": "To add an authentic touch to your story, you can use the sentence 'Tom ha cambiato treno.' This is the correct translation of 'Tom changed trains' in Italian."}]