[{"role": "user", "content": "I'm studying a textbook and I came across the sentence 'That's the theory' - could you please translate it into Italian for me so I can better understand the concept?"}, {"role": "assistant", "content": "The translation of 'That's the theory' in Italian is 'Quella \u00e8 la teoria.'. This sentence is often used to indicate that a particular idea or explanation is being presented as a theoretical framework, and the translation should help you better understand the concept in your textbook."}]