<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 does urban planning impact communities? Context: Urban planning can impact communities through various aspects such as accessibility, livability, sustainability, and development. Answer: [/INST]Urban planning can affect communities by influencing their accessibility, livability, sustainability, and overall development.</s>