Instruct: Classify Amazon reviews into positive or negative sentiment
Query: My Littermaid Pooped Out

Bought this four months ago and really really wanted it to work out. I'd heard of other littermaids dying after several months and I crossed my fingers that this wouldn't happen to mine because the convenience of this contraption is hard to pass up. Unfortunately, it appears that my littermaid is officially dead and I'm annoyed that I'll have to return it and wait X months for a replacement. I loved it while it worked (though it did involve some scraping and cleaning here and there), but now that it won't turn on, its just an overpriced piece of plastic.