<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 osmosis? Context: Osmosis is the movement of water through a semi-permeable membrane from a region of low solute concentration to a region of high solute concentration. Answer: [/INST]Osmosis is the movement of water through a semi-permeable membrane from a region of low solute concentration to a region of high solute concentration.</s>