<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 quantum entanglement? Context: Quantum entanglement occurs when two particles are connected in a way that the state of one particle cannot be described independently of the state of the other, even when they are far apart. Answer: [/INST]When two particles become connected in such a way that the state of one particle cannot be described independently of the state of the other, even when they are separated by great distances.</s>