<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 are some types of galaxies in the universe? Context: Some types of galaxies in the universe include spiral, elliptical, and irregular galaxies. Answer: [/INST]Spiral, elliptical, and irregular galaxies.</s>