In this task, You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.

[EX Q]: I purchased 2 of these lights and was surprised at how bright they are. Very convenient for places you can't or don't want to run hardwired electricity. They would also be great for a camping trip. I will definitely be buying more.
[EX A]: positive

[EX Q]: I am so excited to get this sweat vest! Fits great zips up easily. Fits and stays a lot better then a normal sweat band or waist trimmer. The smell of the material goes away as soon as you soak it in water with soap. But all and all great product.
[EX A]: positive

[EX Q]: It's an ok wig if you're only going to use it once or twice, but if you're a cosplayer or plan on wearing this wig multiple times then you might want to keep looking. When I got the silver one the picture showed a middle part with no bangs but when I got it in the mail it had front bands and a tear in the head cap. You can see the cap when you move the hair around the material is thin and feels like it's going to fall out any moment. Moral of the story check the reviews before you buy a wig on Amazon
[EX A]:
negative