<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  How long does it take to restore a backup? Context: The time it takes to restore a backup varies depending on the size of the backup and the speed of the system. Answer: [/INST]It depends on the size of the backup and the speed of the system.</s>