<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:  Provide an explanation of the theory of relativity. Context: The theory of relativity states that time and space are relative and can be affected by gravity and acceleration. Answer: [/INST]It states that time and space are relative and can be affected by gravity and acceleration.</s>