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: Just opened my plastic package because hard to see if center pin was copper as pictured in ad.. sadly it was not. By the way, do not tear open your package because it states on the package,"No returns if bag is open" what a waste, I should have just driven to an autoparts store.
Example Output: negative

Example Input: We bought two of these.This product. Does not fit 128 disk. The folders are so tight against the edge once you start filling it. It becomes impossible to out disk in towards the back of the case. Will be looking for somwthing decent.
Example Output: negative

Example Input: This handheld game console has some oldies but goodies! It has games like Final Fight, Captain Commando and Mega Man. There's an expansion slot to load your own games using an micro SD card. I'm not sure why it needs one, but it also have a camera to take pictures and a record feature.
Example Output:
positive