<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 function of a servo motor in a robotic system? Context: Servo motors are essential components in robotics for controlling the position and speed of robotic joints. Answer: [/INST]A servo motor is used to control the position and speed of robotic joints.</s>