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 have fed my dogs Instinct Raw Boost for years. I have two big dogs, one with digestive issues, and then added a third big dog to my pack, so that brand of food was too expensive when I have to buy a 21lb bag every week or so. Dog Food Advisor gave this 5 stars, so I tried it. My problem dog didn't have any problems at all transitioning to this food, and my Great Pyrenees with allergies has had no issues. I am extremely pleased with this food. I would highly recommend it.
[EX A]: positive

[EX Q]: We bought this to limp us through not having a stove for a while. It works great! We use it to saute veggies, boil water, scramble eggs.... anything a small bottom pan can do! Heats up super quick and very easy to clean. Even once our stove is repaired, it will be in regular use in our home.
[EX A]: positive

[EX Q]: Literally can not get the back out to put the picture in. It's like the sides go underneath the frame and the back doesn't lift out. I used a butter knife to try and get it out and it ripped up the backing but it still won't come out.
[EX A]:
negative