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

[EX Q]: I have just spent 5 minutes trying to get this damn printer to print an envelope without mangling it. Wonderful.
[EX A]: Negative

[EX Q]: i think sudden fear is a very good example of the so called films noirs and also joan crawfords performace is very convincing as the frightned woman who tries to save her life as well as she can
[EX A]: Positive

[EX Q]: It really works! I am in love. I was trying to get my pre-pregnancy 21 in waist back for 10 months now. I got to 23in and kind of got stuck there. With Squeem I went from 23 in waist to 21in in just 2 minutes! Start hooking it from the top, much easier. Buy it! You won't regret!
[EX A]:
Positive