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:
This was not delivered to me and it was not left in my mailbox, its a table .Don't tell me it was delivered and it was not because of a timeline. I would like a refund.

Ex Output:
negative


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:
This helmet saved our little one's head hundreds of times. We don't wear it anymore as she finally needed to learn how to avoid obstacles and why. Otherwise, I'd leave it on her head until she turns 21.

Ex Output:

positive