<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 does a civil engineer do? Context: Civil engineers are responsible for designing and overseeing the construction of infrastructure projects such as roads, bridges, and buildings. Answer: [/INST]Civil engineers design and supervise the construction of infrastructure projects like roads, bridges, and buildings.</s>