<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 sustainable agriculture? Context: Sustainable agriculture emphasizes long-term productivity and environmental preservation. Answer: [/INST]Sustainable agriculture is a method of farming that focuses on long-term productivity without causing harm to the environment or depleting natural resources.</s>