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: Color did not last long whatsoever. Followed the instructions and had the dye in for hours to make sure but yet; when washed out only little bits of color stayed. Not really happy
Example Output: negative

Example Input: Shipped out on time and arrived early! Very neat package and perfect invoice/product. Product package was sealed and when opened, product was fresh. Good Quality product!!
Example Output: positive

Example Input: Unreliable. Every time I try to transfer files to/from my sd cards or external hard drives this devices unmount and mounts the external drives randomly. Keeps leading to corrupt data and a lengthier time obligation to the task at hand DO NOT BUY - I Have never used a lower quality product.
Example Output:
negative