<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 main concept behind genetic engineering? Context: The main concept behind genetic engineering is manipulating organisms' DNA to produce desired traits. Answer: [/INST]Manipulating organisms' DNA to produce desired traits.</s>