[{"role": "user", "content": "I'm reading a book and stumbled upon the sentence 'Tom lost his mind.' Can you help me understand how to convey that idea in Italian?"}, {"role": "assistant", "content": "The sentence 'Tom lost his mind' is an idiomatic expression that means Tom went crazy or became insane. To convey this idea in Italian, you can use the sentence 'Tom perse la testa.' This translation accurately conveys the same meaning as the original English sentence."}]