<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 do scientists study the history of life on Earth? Context: Scientists study the history of life on Earth through the analysis of fossils and geological records. Answer: [/INST]Scientists study the history of life on Earth through the analysis of fossils and geological records.</s>