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.

I swear, I've had to buy 4 of these pumps now and they NEVER last. Average life span is 6 months before the motor burns out. This is with changing filters responsibly, unplugging it when not in use, etc. Moving forward I'm getting the protection plan since they never last!
negative