If you are about to be admitted to the hospital overnight, categorize each of the following as either useful or not useful: a phone charger, a camping tent, reading glasses, a cruise ship, 10 bags of lumpy cement, a favorite blanket, and headphones, and a grand piano.
When you are staying overnight in the hospital, it would be useful to have a phone charger, reading glasses, a favorite blanket and headphones. It would not be useful to have a camping tent, cruise ship, 10 bags of lumpy cement or a grand piano.
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.
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system
(Optional) Context information is below.
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Answer the following query.
If you are about to be admitted to the hospital overnight, categorize each of the following as either useful or not useful: a phone charger, a camping tent, reading glasses, a cruise ship, 10 bags of lumpy cement, a favorite blanket, and headphones, and a grand piano.

user
When you are staying overnight in the hospital, it would be useful to have a phone charger, reading glasses, a favorite blanket and headphones. It would not be useful to have a camping tent, cruise ship, 10 bags of lumpy cement or a grand piano.
assistant