Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
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Question: Product received timely. The plug in feature is favorable in that there is no concern of battery failure. Product is easy to use.

Answer: Positive

Question: El primer libro del Dr. Weiss sigue siendo un gran libro para todos aquellos a quienes les inquieta el tema de la reencarnacion, asi no crean en ella.

Answer: Positive

Question: I purchased a Kindle because I am having surgery on both hands, and this was one of the first items I downloaded. I have enjoyed reading it again and look forwaed to other free classics from the Kindle store - way to go Amazon!

Answer:
Positive