Instruct: Classify Amazon reviews into positive or negative sentiment
Query: LOVE THIS MACHINE!!!

I purchased this machine for myself for Christmas and WOW am I impressed! Considering I am very particular and difficult to please, that is high praise! I read all of the reviews before buying and I'd give it 4.5 stars. I'd say 5 stars, but the small water tank is a bit of a drawback. I have spent a lot of time refilling the tank while cleaning all of the carpets in my home. Otherwise, this machine is wonderful. I have cream-colored carpets, a boyfriend who never wipes his feet, and 3 cats. My carpets had not been cleaned in 2 years. Last time I rented a Rug Doctor and was surprised at how many of the stains it did not remove. This machine took out the old stains and the new ones as well. It was very easy to assemble and so lightweight. I purchased the Bissell 2x fiber cleansing formula (WalMart) and it worked great, although for the worst stains I used a stonger mix of solution than recommended. This machine is one of the smartest buys I've made in a long time!