<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 a definition of gravity. Context: Gravity is the force of attraction between two objects with mass, causing them to move toward each other. Answer: [/INST]It is the force of attraction between two objects with mass, causing them to move toward each other.</s>