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

[EX Q]: Doesn't get much better than this. What a blessing I have recieved from Pink's expositional approach to this great King's life.
[EX A]: Positive

[EX Q]: why am I being asked to review a product I didn't purchase. Need to fix the system or allow me to delete the request.
[EX A]: Negative

[EX Q]: In reviewing the book Foundation I am recommending that you read all of the Foundation books by Asimov. Just get started and read them all. Even though each book can be read individually, do yourself a favor and read them in order. I won't be reviewing any other books in the series. I want you to do the whole series.One of the most interesting ideas that Asimov gives us is the ultimate form of self defense. No, it isn't karate or jiu jitsu, boxing or wrestling. It's touching the other person's mind.There are enough circles within circles, things that aren't what they seem to be, surprises that put the theories into a cocked hat, to keep you on your toes.Don't deprive yourself of the best sci fi series ever written.
[EX A]:
Positive