Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Dangerous for cats

We just installed the door and spent a half hour getting our cat to trust it. When she finally used it, the door immediately trapped her paw. When she tried to retract the paw, the door only clamped tighter, pinching her paw and causing her to howl in fear and pain. We're furious at the poor design of this product. We've removed the door and cannot recommend installing it under any circumstances. Do not buy it.