<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 the first rule when collecting evidence at a crime scene? Context: The first rule when collecting evidence at a crime scene is to secure the scene. Answer: [/INST]The first rule is to secure the scene.</s>