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: Bought this after reading good reviews. But it’s not water proof at all. If my son has even a little accident in bed, it goes straight to mattress. I don’t see a point in having this. So I have to purchase another one.

A: negative
****
Q: Newbie to cosplay costume creations. Has easy to follow instructions. You may not be able to find certain things in your area, but she gives you alternative suggestions.

A: positive
****
Q: I bought this for my son for Christmas around black Friday. It said it might not be here for Christmas so I wasn't holding my breath. The seller sent them out immediately and I had them in my hands much sooner than I expected. They are great quality and my son loves them!

A:
positive
****