Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Worst Investment I Ever Made

This is the worst...coffee maker I have ever had. I bought this for my office 4 months ago, and it has already stopped working-for no reason at all. It also has many design flaws. The carafe itself is extremely hard to clean, and coffee tends to collect in it. It also has a hole in the back where you pour water in so that you don't overpour. If you happen to not be paying attention, water spills out everywhere. Also, the buttons are very flimsy, and the machine itself is made of...plastic, giving it a general [bad] look...