[{"role": "user", "content": "I'm trying to learn some basic Italian phrases to communicate with a friend, and I was wondering how to say \"You know her\" in Italian."}, {"role": "assistant", "content": "The Italian translation for 'You know her' is 'Lei la conosce.' If you want to say it in a more informal way, you can say 'Tu la conosci.' However, 'Lei la conosce' is a more polite and formal way to express the same sentence."}]