<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 the function of the mitochondria in a cell? Context: The function of the mitochondria in a cell is to produce energy in the form of ATP through cellular respiration. Answer: [/INST]The function of the mitochondria in a cell is to produce energy in the form of ATP through cellular respiration.</s>