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.

Example Input: I'm very sad with the quality of this product, is the first time to try to print something. I was so frustrated and all was the filament. The printing look bad, like filled of bubbles and no definition. Is not the money is the frustration. I blame the printer, the calibration of the bed, the temperature. Again. Sad. Nothing else to say.
Example Output: negative

Example Input: I ordered a king This mattresses is super comfortable, the measurements provided online were accurate. I was really nervous about ordering one I couldn't try out but I went to a mattress store previously to try them out. I tried a hybrid mattress I fell in love with that was about $1500 but I just couldn't pay that much for a mattress right now and it feels just like this one, I'm super pumped, it is sooooooooo soft but not to soft. 😁
Example Output: positive

Example Input: This backpack is lovely, but very poorly made. After only 3 weeks of use the top of one strap tore and then the bottom of that shoulder strap came apart completely!
Example Output:
negative