Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Changed our lives!

My husband and I built a new house, and we decided at the last minute to put in a little indoor/outdoor kennel that would allow our dog to go outside and use the bathroom when we're not home. So far this door has been great. Its double flap really seems to keep the weather out, and our dog loves it! It seems quite sturdy. The door (along with our little kennel setup) has changed our lives for the better.