<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:  Explain the concept of supply and demand. Context: The concept of supply and demand is a fundamental economic principle that defines the relationship between product availability and consumer desire.

2. Answer: [/INST]It is a fundamental economic principle that describes the relationship between the availability of a product and the desire for that product.</s>