[{"role": "user", "content": "I'm trying to understand the lyrics of an Italian song that has the phrase 'He began to sing' in English. What would be the correct translation of that sentence into Italian?"}, {"role": "assistant", "content": "The correct translation of the sentence 'He began to sing' in Italian is 'Lui ha cominciato a cantare.' or 'Lui cominci\u00f2 a cantare' (more formal and in the simple past), but in informal contexts, 'Lui ha cominciato a cantare' or simply 'Ha cominciato a cantare' (without 'Lui') can also be used."}, {"role": "user", "content": "Is there any difference in the translation?"}, {"role": "assistant", "content": "Yes, using 'Lui ha cominciato a cantare' is more informal, while 'Lui cominci\u00f2 a cantare' is more formal. 'Lui ha cominciato a cantare' is used in informal conversations or with friends, while 'Lui cominci\u00f2 a cantare' is more suitable for formal writing or formal conversations."}, {"role": "user", "content": "What if I don't use 'Lui' at all?"}, {"role": "assistant", "content": "In informal contexts, you can simply say 'Ha cominciato a cantare', without 'Lui'. This is a common way to speak in Italian, especially with friends or in casual conversations."}]