<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:  What is urban planning? Context: Urban planning involves the design and regulation of space in cities and towns. Answer: [/INST]Urban planning is the design and regulation of the use of space that plays an important role in shaping the physical form of cities and towns.</s>