[{"role": "user", "content": "I'm having trouble explaining a phrase to a friend who speaks Italian. Can you help me translate 'I can't prove it' into Italian?."}, {"role": "assistant", "content": "The translation of 'I can't prove it' in Italian is 'Non riesco a dimostrarlo.' If you want to use a more informal tone, you can also say 'Non posso provarlo.' However, 'Non riesco a dimostrarlo' is a more literal translation of the original phrase."}]