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.

Ex Input:
I ordered the wrong size by mistake, I was able to exchange for the correct size in 48 hours without a hassle, The product? It's an Adidas, I expected quality, well... I've got it, it's a very confortable shoe.

Ex Output:
positive

Ex Input:
I carefully read the book Overthinking and learned a lot from it. Which is playing an important role in my real life. Moreover, with this I have been able to change my self-esteem and mental attitude to success. The book changed my life. Thanks to the author.

Ex Output:
positive

Ex Input:
Drool-worthy images of every recipe that make anyone who likes to cook giddy to get in the kitchen and start making messes. Recipes range in difficulty in the sense that there are varying amounts of ingredients / time needed, but nothing overly complicated. There's something for any level of cook, any time constraint, and night of the week!

Ex Output:
positive