[{"role": "user", "content": "I'm writing a story with a character who betrayed his friends, and I want to make the dialogue authentic. How would I translate the phrase 'He lied to us' into Italian?"}, {"role": "assistant", "content": "In Italian, the correct translation of 'He lied to us' is 'Lui ci ha mentito'. This phrase accurately conveys the idea that the character has been dishonest and deceived his friends."}]