<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 are the main principles of sustainable architecture? Context: Sustainable architecture prioritizes environmental considerations, such as using eco-friendly materials and practices, reducing energy usage, and maximizing natural resources like light and airflow. Answer: [/INST]Sustainable architecture focuses on using environmentally friendly materials, reducing energy consumption, and maximizing natural light and ventilation.</s>