Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Great machine but...

After having a puppy with a urinary tract infection, a cat with kidney failure, and another cat who decided to stop using the litter box, I knew I needed to invest in a rug cleaning machine. The price and reviews were great so I ordered this product.The positives:- easy to use- less cumbersome than the Rug Doctor- great price- had a dried, clean rug in less than two hours (awesome)The negatives:- assembly instructions were confusing- diagram for stair/upholstery assembly had wrong parts picturedHaving used the machine, I'm very happy with the overall performance. I'm especially happy that the aggravation of putting the machine together and figuring how to hook up the attachments are behind me.