Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

[Q]: I was very happy with my product I absolutely love it!!! And it was brand new at a very reasonable price. Gonna continue my shopping on amazon.
[A]: Positive

[Q]: This book it simply one of the best science fiction stories ever written. It should be on the "must read" list for any sci-fi fan.
[A]: Positive

[Q]: This charger is just what I needed to replace my Apple charger and it costs a whole lot less. The only recommendation is that you make sure to plug it into a surge protector as there is no third-prong ground on it.
[A]:
Positive