Instruct: Classify an Amazon review into positive or negative sentiment.
Query: great!

Sent one to my boyfriend who is lazy lazy lazy... haha! He uses it every day, and it has served him well through the cold winter. He really appreciates it, how fast it boils water, and easy it is to use. I've also used it at his place a few times, and it's a great deal for the price! Would definitely buy again.