<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 do plants help reduce air pollution? Context: Plants play a crucial role in reducing air pollution by absorbing carbon dioxide and releasing oxygen through photosynthesis. Answer: [/INST]Plants help reduce air pollution by absorbing carbon dioxide and other pollutants, and releasing oxygen through photosynthesis.</s>