<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:  Describe the function of a router in IT networking. Context: The function of a router in IT networking is to direct data packets to their intended destinations within a network. Answer: [/INST]It directs data packets to their intended destinations within a network.</s>