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

[EX Q]: I have a small business and it was important that the envelope feeder work well. From day 1, this has been a nightmare. Components of the printer block the envelopes/labels and they don't feed properly. If you use internet postage, you lose money with the misfed labels/envelopes. I'm very disappointed and am shopping for a new printer now, only a short time after purchasing this one.
[EX A]: Negative

[EX Q]: My costume was a small and didn't fit my 5 year old wayyyy to tight and it dd t come with the belt!!!
[EX A]: Negative

[EX Q]: I love this book. It is some cool. I always look words up whenever I am stumped in music theory or just in my practice. It is a very good buy!! I recommend it to anybody who is into music. :)
[EX A]:
Positive