<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:  Provide details on the structure of an atom. Context: The structure of an atom consists of protons and neutrons in the nucleus, with electrons orbiting around it. Answer: [/INST]It consists of protons and neutrons in the nucleus, with electrons orbiting around it.</s>