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.

The Roomba 980 performs as stated. Excellent pick up and battery life. The WiFi connectivity is handy for as needed cleaning between scheduled times. We are very pleased with the unit.
positive

It was very easy to put on the wall as it came with the screws and dry wall anchors, and works well for my ukulele. The materials do feel a bit cheap, but it holds up well.
positive

Did not work after I installed them.. And now..forget fixing them..my new bumper weighs 1000 lbs and I cannot access them to repair without removing the bumper..so...f... It ..

negative