Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
One example is below.
Q: I've read this book with much expectation, it was very boring all through out the book
A: Negative
Rationale: Review writer does not like the book because it was boring, therefore it is a negative review.
Q: It was a bit confusing to assemble. Had to redo a few times before I got the right rods with the right utensils. In the end you get what you paid for - bottom of the line product for cheap.
A:
Negative