<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 function of the immune system. Context: The immune system is responsible for protecting the body from pathogens and foreign invaders.

6. Answer: [/INST]It is responsible for protecting the body from pathogens and foreign invaders.</s>