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: Works great! You can use the smart life app to schedule lights to turn on at sunset off at sunrise. I even use it to turn on heat lamp for my animals when the temperature drops below 40 degrees and it turns off at 41 degrees
Example Output: positive

Example Input: Kit is basically unusable. The negative lead has no continuity and seems to have a broken wire. The kit has a lot of useful items in it, clips and such, but is rendered useless with a broken lead.
Example Output: negative

Example Input: Filament recieved was absolutely terrible and not usable. The vaccum sealed bag was lose and filled with moisture and destroyed the filiment. Was very excited to try it and now upset that it was a waste of money.
Example Output:
negative