<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 an explanation of the software development life cycle. Context: The software development life cycle is a process used to design and develop software. Answer: [/INST]It is a process used to design and develop software.</s>