<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 does photosynthesis occur in plants? Context: Photosynthesis in plants occurs in the chloroplasts, where sunlight is used to convert carbon dioxide and water into glucose and oxygen. Answer: [/INST]Photosynthesis occurs in the chloroplasts of plant cells, where sunlight is used to convert carbon dioxide and water into glucose and oxygen.</s>