[{"role": "user", "content": "I'm trying to communicate with my Italian friend about my acquaintance Tom, and I want to express that I'm certain he's at home - how would I say 'I know Tom is home' in Italian?"}, {"role": "assistant", "content": "You can say 'So che Tom \u00e8 a casa' to convey that you're certain Tom is at home. This translation directly conveys the English sentence 'I know Tom is home' into Italian."}]