[{"role": "user", "content": "I'm planning to visit Italy on a business trip and I need to know how to ask if someone has signed a document. Can you help me translate \"Did you sign?\" into Italian?"}, {"role": "assistant", "content": "Yes, of course! The translation of \"Did you sign?\" in Italian is \"Tu hai firmato?\". This is a polite and informal way to ask if someone has signed a document."}]