<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 a mutual fund? Context: A mutual fund is an investment vehicle managed by a professional that consists of a portfolio of stocks, bonds, or securities. Answer: [/INST]A mutual fund is a type of investment vehicle consisting of a portfolio of stocks, bonds, or other securities, which is managed by a professional money manager.</s>