<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 some examples of greenhouse gases? Context: Greenhouse gases such as carbon dioxide, methane, and water vapor contribute to the greenhouse effect. Answer: [/INST]Some examples of greenhouse gases include carbon dioxide, methane, and water vapor.</s>