<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 mitochondria in cells. Context: Mitochondria play a vital role in cells by generating energy through aerobic respiration in the form of ATP.

6. Answer: [/INST]It is responsible for producing energy in the form of ATP through aerobic respiration.</s>