Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Very pleased with the purchase!

Although the first shipment failed to arrive, my initial call to Amazon's Customer Service Dept. resulted in a second shipment that was sent the very next day! And I'm please to say that did arrive. Amazon's Customer Service response was a very enjoyable experience! It is the first time that I've not received something that I've ordered thru Amazon, and their - no questions asked - just "how may I help you" response was truly enjoyable! Kudos to Amazon!