[{"role": "user", "content": "I'm working on a document that needs to be translated, and I'm stuck on the phrase 'Tom is certain.' Could you help me translate it into Italian?"}, {"role": "assistant", "content": "The translation of 'Tom is certain' in Italian is 'Tom \u00e8 certo.'"}, {"role": "user", "content": "That's perfect, thank you! What's the difference between '\u00e8 certo' and '\u00e8 sicuro'? Are they interchangeable?"}, {"role": "assistant", "content": "'\u00c8 certo' and '\u00e8 sicuro' are similar but have slightly different connotations. '\u00c8 sicuro' typically means 'he is sure' or 'he is secure,' while '\u00e8 certo' means 'he is certain.' While they can sometimes be used interchangeably, '\u00e8 certo' tends to be more formal and emphasize the certainty of something."}]