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

[Q]: I received the product in a timely manner. It was as advertised. I have used it a number of times and it works well although I haven't gotten the results from it I had hoped for. No fault of the seller or the product though.
[A]: Positive


[Q]: I had almost all of the Jean Auel's books and needed this one to complete my collection. It turned out to be a book club size and I traded it to a friend for the full size version.
[A]: Positive


[Q]: Either 1 or 5 Stars. Depends on how you look at it.1 Star because they sent 6 feet of 2" OD copper pipe.0 Star because they won't accept returns on it.5 stars because I figure it's actually worth $12-15/foot and since they won't take a return I figure I can sell it and make $40-50 on this deal
[A]:
Negative