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.
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Question: I'm very disappointed with this purchase. 2 of 3 pack doesn't work. First cable does not charge at all with an error message saying "This accessory may not be supported" within a few seconds. The second charger appears to be charging but then just randomly stops charging.

Answer: negative

Question: I'm so glad I stumbled across this product, because it has seriously improved my WiFi speed. Using it on an older laptop , I noticed that WiFi speed was faster than the built-in WiFi . I later tried it on an older desktop and it was very fast as well. An excellent product!

Answer: positive

Question: I bought this product as a means of trying to conquer eczema that randomly appeared on the back of my head at 37 years old. In any case or onset of something, I prefer to try the safest least harmful methods before diving into chemicals or medications. This shampoo worked for my itchy scalp. I have also noted my hair thickening and slowly rejuvenating in terms of health, shine, and luscious luster. Oh and this smells so fresh and so clean-clean. Pro Natural Thickened hair Decreased eczema exaggeration Fresh woodsy clean fragrance, not over powering Con Less lather than my personal preference I will say that when shampooing, I do not get a lot of lather. If I shampoo my hair twice the second shampoo does lather well.

Answer:
positive