<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 leading causes of greenhouse gas emissions? Context: The main causes of greenhouse gas emissions are burning of fossil fuels, deforestation, agriculture, and industrial processes. Answer: [/INST]The leading causes of greenhouse gas emissions are burning of fossil fuels, deforestation, agriculture, and industrial processes.</s>