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.

Q: I used them one time and pulled them out of my phone and wire went everywhere and now they do not work. Biggest waste of money and would cost me more to send back.

A: negative
****
Q: Very frustrated. Opened upon receiving so that it can expand. It's been 6 hours and still hard as a rock and curled up. Wondering how long it's going to take to expand to isn't normal shape.

A: negative
****
Q: Fantastic product! I was able to sharpen all of my kitchen knives with this one product! I plan on buying one for my parents as well. I would highly recommend this!

A:
positive
****