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: Even though it isn't big, it is So Easy to Operate. Having Herniated Discs in my Neck & Bulging Discs in my Lower Back, I can operate this Machine without putting to much pressure on my Back.

A: positive
****
Q: These balloons are so cute! I got these for my bday Good quality The directions were very helpful. The letter looked great. Will be using this listing again for future parties!

A:
positive
****