Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Loved it 'til the end

I LOVED this book (until the last chapter.) It was incredibly engaging: well-written, funny, and, yes, tragic, with a spunky and likable main character. I couldn't put it down and couldn't wait to find out how it would end. Then I got to the last chapter, and in a few short pages, it suddenly did end, but unsatisfactorily. The ending felt rushed, as if the authors were writing a term paper and were almost over the number of allowed pages, wrapping things up as quickly as possible. I liked the idea of how it ended, but the execution of the ending was a bit watered down. The result: a let down.