<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 entanglement in quantum mechanics? Context: Entanglement in quantum mechanics refers to the correlated quantum states of particles, even when separated by large distances. Answer: [/INST]Entanglement is a phenomenon where the quantum states of two or more particles become correlated, even when they are separated by large distances.</s>