Given reviews from Amazon, classify those review based on their content into two classes: Negative or 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: "Castle" is a wonderful book for children who have short attention spans. It provides adventure and re-affirms the laws of chivalry.

A: Positive
****
Q: This is a startling book and one in which Tess is forced to make difficult decisions in the face of awful circumstances.

A:
Positive
****