Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Interesting subject, but sloooooow!

I rarely set aside a book without finishing it, but I am sorely tempted to stop reading this one. The writing is so-so (significantly more telling than showing), the plot fairly predictable, and the characters shallow. Worse still, it is boring. Perhaps it would be good for a leisurely vacation read. I realize that I am staking my review next to the Amazon's #1 reviewer(!!), but I wanted to give other readers an alternate opinion.