<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 period in Earth's history is known for the rise of dinosaurs? Context: The Mesozoic Era saw the rise of dinosaurs on Earth. Answer: [/INST]The Mesozoic Era.</s>