[{"role": "user", "content": "I'm trying to communicate with an Italian friend about a situation, and I want to express that someone was at fault - how would I translate 'He made a mistake' into Italian?"}, {"role": "assistant", "content": "The correct translation of 'He made a mistake' into Italian is 'Ha fatto un errore.' You can use this phrase to convey that someone was at fault or made an error in a situation."}]