Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
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Question: Works fine on the PowerBook G4. Doesn't have an LED to tell you it's on and, of course, doesn't have a smart plug to show charging status.

Answer: Positive


Question: It's not at all what I expected. Still have not found what I was looking for in thefirst place

Answer: Negative


Question: very happy with this electric pump inflatable airbed - understandable directions -very easy to inflate with electric pump - confortable to lie on especially withheadrest - easy to store with its own bag - I'm entirely satisfied with thisproduct from Amazon

Answer:
Positive