<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 distance between Earth and Mars? Context: The average distance between Earth and Mars is about 225 million kilometers. Answer: [/INST]The distance between Earth and Mars varies depending on their positions in their orbits, but on average, it is about 225 million kilometers.</s>