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:
Arrived promptly. I received it today and began taking immediately. It contains so many vitamins, such as A, C, D3, E, B6, Folic acid and of course biotin, etc. I believe in this product and hope it will deliver promising results.

Ex Output:
positive


Ex Input:
This author amazes me every time I read one of her book, I'm pulled right in with the very first chapter!! Emma and Jax have secrets that neither one them wants to reveal but in the end, they are going to have to suck it up and get over with!!

Ex Output:
positive


Ex Input:
I drink tea constantly, and one of my favorites is by this company. This tea, however, is disgusting and totally undrinkable to me. I am so sorry that I wasted my money, and if I could I would give in no stars.

Ex Output:

negative