<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:  Why do languages evolve over time? Context: Languages evolve over time due to social, cultural, and technological changes, as well as interactions with other languages. Answer: [/INST]Languages evolve over time due to various factors such as social, cultural, and technological changes, as well as interactions with other languages.</s>