Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: Disappointed

I thought Callas was supposed to be a great singer. I found her performance, boring, and acting unconvincing, her voice unattractive, and her appearance homely.Another disappointment is Sutherland in the Lucia item. She was out of tune and looked bored.All is not lost however. Corelli is sublime is his two selection, and may I say handsome as anyone I've ever seen.Price's Vissi D'arte far better than Callas's.That's my opionion, take it or leave it.