What is a sleeping bag?
A sleeping bag is a warm blanket that can be zipped up to enclose the sleeper. Sleeping bags are typically filled with either down or synthetic material (down is lighter but stays wet longer) and is often used for staying at night while camping.
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 a sleeping bag?

user
A sleeping bag is a warm blanket that can be zipped up to enclose the sleeper. Sleeping bags are typically filled with either down or synthetic material (down is lighter but stays wet longer) and is often used for staying at night while camping.
assistant