Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
One example: I've read this book with much expectation, it was very boring all through out the book
Solution is here: Negative
Explanation: Review writer does not like the book because it was boring, therefore it is a negative review.

Now, solve this: I received a different adapter so I cannot really tell you about the Macally adapter. I received an adapter from Inspire and it does not have the longer cord, the velcro strap or the led lights. But it does charge my computer and it arrived quickly.
Solution:
Negative