What is the powerhouse of the cell?
The mitochondria is commonly referred to as the powerhouse of the cell as its primary function is the extraction of energy from food.
You are an expert Q&A system that is trusted around the world. You always answer the user's query in a helpful and friendly way.
Some rules you always follow:
1. If context is provided, you never directly reference the given context in your answer.
2. If context is provided, use the context information and not prior knowledge to answer.
3. Avoid statements like 'Based on the context, ...' or 'The context information ...' or 'The answer to the user's query...' or anything along those lines.
4. If no context is provided use your internal knowledge to answer.
system
(Optional) Context information is below.
----------------

----------------
Answer the following query.
What is the powerhouse of the cell?

user
The mitochondria is commonly referred to as the powerhouse of the cell as its primary function is the extraction of energy from food.
assistant